| l | Liter |
| l. | Links |
| La. | Louisiana |
| LA | Land access; Louisiana |
| L.A. | Los Angeles (Calif.) |
| LAAS | Local Area Augmentation System |
| LAC | Libraries and Archives Canada = Bibliotheque et Archives du Canada; Litografia Artistica Cartografica; Local Area Composite |
| LACIE | Large Area Crop Inventory Experiment |
| LADAR | Laser Detection and Ranging |
| LAGEO | Laser Geodynamic Satellite |
| LAGIC | Louisiana Geographic Information Center |
| LAMP | Low Altitude Mapping Photogrammetry |
| LAMPS | Laser-scan Automated Map Production System |
| LAMS | Large Area Mosaicing Software |
| LAN | Local area network |
| LAND | Landmark feature identification number |
| LANDRU | Local Access to Networked Data Retrieval Utility (Univ. of Calgary) |
| LANDSAT | Land Satellite |
| LAP | Landsat Applications Program (PNW) |
| LARIS | Louisiana Areal Resource Information System |
| LARS | Laboratory for Applications of Remote Sensing (Purdue Univ.) |
| LARSYS | Laboratory of Applications of Remote Sensing Image Data Processing System (Purdue Univ.) |
| LAS | Land Analysis System |
| LASS | Land Applications Satellite System (ESA) |
| Lat. | Latitude |
| LAT | Large Area Triangulation |
| LAU | Landesamt fur Umweltschutz (Saarland) |
| LBR | Laser Beam Recorder |
| LC | Library of Congress (U.S.); Land cover |
| L/C | Land cover |
| LCA | Land cover analysis |
| LCC | Lambert conformal conic (projection) |
| LCD | Liquid-crystal displays |
| LCDB | Land Cover Database |
| LCDC | Land Conservation and Development |
| LCGMD | Library of Congress Geography and Map Div. (U.S.) |
| LCMMP | California Land Cover Mapping & Monitoring Program |
| LCS | Liberian Cartographic Service |
| LCTY | Locality |
| LDAS | Land Data Assimilation System (NASA) |
| LDPC | Local Datum Plane Coordinate |
| LDD | Land Development Desktop 2i |
| LDLS | Lesotho Dept. of Lands, Surveys and Physical Planning |
| LDMG | Lesotho Dept. of Mines and Geology |
| LDNG | Landing |
| LDO | Land Development Office (NovaLIS Technologies) |
| LE | Less than or equal |
| LEAF | Land Ecosystem Atmosphere Feedback |
| LEC | Lockheed Electronics Company |
| LEM | Landform Elevation Model; Lunar Escape Module |
| LEO | Low Earth orbit |
| LEP | Linear Error Probable |
| LES | Lincoln Electric System |
| LF | Large format; Line feed |
| LFC | Large format camera |
| LFI | Schweizerisches Landesforstinventar |
| LFVZ | Leichtensteinische Fremdenverkehrszentrale |
| lg. | lang |
| Lg. | Lange |
| LGN | Lagoon |
| LGS | Liberian Geological Survey; Louisiana Geological Survey |
| LGISC | Louisiana Geographic Information Systems Council |
| LGSOWOG | Landsat Ground Station Operations Working Group |
| lH | lichte Hohe |
| LI | Landmaelingar Islands |
| LIA | Land Information and Analysis office (USGS) |
LIBER-
Gdc | Ligue des Biblioth`eques Europeennes de Recherche, Groupe des cartothecaires |
| LICGF | Land Information & Computer Graphics Facility (Univ. of Wisconsin-Madison) |
| LIDAR | Light Detection and Ranging |
| Lieut. | Lieutenant |
| LIGO | Laser Interferometer Gravitational-Wave Observatory |
| LIM | Land identification method; Land Inventory and Management Program (USSCS) |
| LIMA | Landsat Image Mosaic of Antarctica |
| LIMAP | Landsat Imagery Analysis Package (S.Dakota) |
| LIMO | Land Information Management Office (Miami County, Kans.) |
| LIMS | Location Management System |
| LINZ | Land Information New Zealand |
| LIS | Land information system(s); Landsat Information System; Lightening Imaging Sensor |
| LISCOM | Land Information Systems Committee (So. Australia) |
| LIT | Land Information Toronto |
| Lith. | Lithographed; lithographer |
| LK | Lake |
| LKB | Lockwood, Kessler & Bartlett Inc. |
| LKC | Crater lake |
| LKI | Intermittent lake |
| LKS | Lakes |
| LKSC | Crater lakes |
| LL | Line-by-line |
| LLA | Adjusted line length |
| LLC | Line length code |
| LLV | Low Light Visibility
|
| LMCTF | Land Managers Cooperative Task Force (Alaska) |
| LMIC | Land Management Information Center |
| LMP | Land Management Planning |
| LMS | Large-scale mapping system |
| LMV | Statens Lantmateriverket (Sweden) |
| LO | Located object |
| L&O | Limnology & Oceanography (journal) |
| LOC | Library of Congress; Landsat Oversight Committee (Colorado) |
| LOD | Levels of detail |
| LOGIC | Loveland Geographic Information/Cartographic System |
| LOMA | Letters of map amendment |
| LOMC | Letters of map correction |
| LOMR | Letters of map revision |
| Lon. | Longitude |
| Long. | Longitude |
| LORAN | Long Range Navigation (system) |
| LOS | Land Observation Satellite (Japan); Line-of-sight |
| LP | Line printer |
| LPGS | Landsat Product Generation System; Level 1 Product General System |
| LPI | Lines per inch; Lunar and Planetary Institute |
| LPM | Load point marker |
| LPS | Library Programs Service (USGPO); Local positioning systems |
| LQ | Letter quality |
| LR | Laser Retroflector |
| LRD | Low resolution data |
| LRDA | Land Resources Data Analysis |
| LRDB | Low Resolution Data Base |
| LRDC | Land Resources Development Centre |
| LRIDP | Land Resources Inventory Demonstration Project (PNW) |
| LRIS | Land Registration and Information Service (Maritime Provinces); Land Resource Information System (S. Dakota and N. Carolina) |
| LRITF | Land Resources Inventory Task Force |
| LRM | Linear Referencing Method |
| LRR | Laser Retro-reflector |
| LRS | Linear Referencing System |
| LRU | Line Replaceable Unit; Line Replacement Unit |
| LRUD | Left, right, up, down |
| L/S | Landsat |
| LSAW | Land Surveyors' Assn. of Washington |
| LSD | Land Surface Datum; Lands and Survey Div. (Trinidad and Tobago) |
| LSDP | Landsat Signature Development Program (software) |
| LSI | LiDAR Services International |
| LSIT | Land surveyor in training |
| LSM | Land Surface Models (NASA) |
| LSN | Linear scaling number |
| LSO | Land Surveyors Online |
| LSPS | Louisiana Society of Professional Surveyors |
| LSR | Local Space Rectangular |
| LSRC | Louisiana Spatial Reference Center |
| LSRP | Laser Printer |
| Lst | Ladestelle |
| LST | Local Standard Time |
| Lt. | Lieutenant |
| LT | Less than; Local Time; Linear triangulation |
| LTAP | Long-Term Acquisition Plan (USGS) |
| LTC | Light transfer characteristics |
| LTE | Less than or equal |
| LTER | Long Term Ecological Research project |
| LTTM | Longterm Terrain Model |
| LTO | Land Title Office (New Zealand) |
| LTU | Line Transfer Unit |
| LU | Land units |
| L/U | Land use |
| LUCCAS | Land Use and Cover Change Analysis System (Pacific Meridian Resources) |
| LUDA | Land Use and Data Analysis (program); Land use development assistance |
| LU/LC (or LULC) | Land use, land cover |
| LUM | Limited update, monoscopic |
| LUMIS | Land Use Management Information System (JPL software) |
| LUMS | Land Use Management System |
| LUNHA | Land Use History of North America (USGS) |
| LUNR | Land Use and Natural Resource Information System (N.Y.) |
| LUPIN | Land Use Planning Information Network (CERES) |
| LUS | Limited update, stereo |
| LUST | Leaking underground storage tank |
| LUT | Land utilization type |
| LVAB-W | Landesvermessungsamt Baden-Wurttemberg |
| LVAN-W | Landesvermessungsamt Nordrhein-Westfalen |
| LVAR-P | Landesvermessungsamt Rheinland-Pfalz |
| LVAS | Landesvermessungsamt des Saarlandes |
| LVAS-H | Landesvermessungsamt Schleswig-Holstein |
| LVVWD | Las Vegas Valley Water District |
| lW | lichte Weite |
| LWC | Louisville Water Company |
| LWD | Littoral Warfare Data |
| m | Meter |
| m. | mittlere |
| M | Maestrale, Magistrale, Meridionalis, Meridialis, Mezzodi = South |
| M. | Mile; mille (1,000); Mitte |
| MA | Mean annual; Maritime Administration; Massachusetts; Manitoba |
| MAC | Mapping Applications Center (USGS); Mineralogical Assn. of Canada; Mapping Advisory Committee |
| MACA | Ministerio de Asuntos Campesinos y Agropecuarios (Bolivia) |
| MAD | Management Areas Database; Metro Area Disaster GIS (Oregon) |
| MADM | Multiple attributes decision-making |
| MAF | Master address file |
| MAFF | Ministry of Agriculture, Fisheries and Food (U.K.) |
| MAFI | Magyar Allami Foldtani Intezet = Hungarian Geological Inst. |
| MAG | Ministerio de Agricultura y Ganaderia (Costa Rica, Ecuador) |
| MAGE | Map Authoring and Generalisation Expert |
| MAGERT | Map and Geography Round Table (ALA) |
| MAGI | Maryland Automated Geographic Information System |
| MAGIC | Map and Geographic Information Center (Univ. of Conn. and Univ. of New Mexico); Map and Geospatial Information Collection (Dalhousie University Library) |
| MAGSAT | Magnetic Field Satellite (U.S.) |
| MAIGIS | Multi-Agency Internet Geographic Information Service |
| MALSCE | Massachusetts Assn. of Land Surveyors and Civil Engineers |
| MAP | Map Analysis Package; Mapping Alliance Program (Space Imaging, Inc.); Market Area Planner (Huff) |
| MAPA | Ministerio de Agricultura, Pesca y Alimentacion (Spain) |
| MAPCAT | Map catalog |
| MAPDS | Ministerio de Agricultura y Pesca, Direccion de Suelos (Uruguay) |
| MAPIS | Map Products Information System |
| MaPKBS | Map Projection Knowledge-based System |
| MAPPS | Management Assn. for Private Photogrammetric Surveyors; Maps, Aerial Photo and Publication System |
| MAPS | Mississippi Assn. of Professional Surveyors; Measurement of Air Pollution from Satellite |
| M.A.P.S. | Microcomputer-based Automated Projection System |
| MAPSAT | Mapping Satellite (U.S.) |
| MAR | Mean annual runoff |
| MARAD | Maritime Administration (US) |
| MARC | Machine Readable Cataloging (LC); Mid-America Remote Sensing Center (Murray State Univ., KY) |
| MARIS | Mississippi Automated Resource Information System |
| MARLS | Missouri Assn. of Registered Land Surveyors; Montana Assn. of Registered Land Surveyors |
| MARS | Monitoring Agriculture with Remote Sensing (European Union) |
| MAS | Millimeterwave Atmospheric Sounder |
| MASC | Map Activity Support Contract |
| Mass. | Massachusetts |
| MASTER | MODIS/ASTER Airborn Simulator (NASA) |
| Mat-Su | Matanuska-Susitna Borough (Alaska) |
| MAT | Medial-axis transformation |
| MATLAB | Matrix Laboratory |
| MAW | Metropolitan area window |
| mB | Millibar |
| MB | Megabyte |
| MBMG | Montana Bureau of Mines and Geology |
| MBPS | Million bits per second |
| MBR | Minimum bounding rectangle |
| MC | Mapping Center |
| MC&G | Mapping, Charting & Geodesy (U.S. Dept. of Defense) |
| MCAS | Marine Corps Air Station |
| MCB | Marke Carl Bauer = Carl Bauer Brand |
| MCD | Minor civil division; Major civil division |
| MCDM | Multi-criteria decision-making |
| MCE | Mapping and Charting Establishment (Canada) |
| MCGA | Monochrome/Color Graphics Adapter |
| McIDAS | Map-computer Interactive Data Access System |
| MCIS | Maps and Chart Information System |
| MCMC | Mid-continent Mapping Center (USGS) |
| MCO | Mars Climate Orbiter |
| MCS | Master Control Station |
| Md. | Maryland |
| MD | Maryland; Metadata |
| MDA | Monochrome Display Adapter; MacDonald, Dettwiler and Associates, Inc. |
| MDAS | Multispectral Data Analysis System (Bendix Corp.) |
| MDC | Div. de la Cartographie (Morocco) |
| MDD | Mineral Deposits Div., Geological Assn. of Canada |
| MDG | Direction de la Geologie (Morroco) |
| MDGLS | Missouri Div. of Geology and Land Survey |
| MDL | Measurement Devices Ltd.; MicroStation Development Language (Bentley Systems) |
| MDLPP | Mason-Dixon Line Preservation Partnership |
| M.D.M. | Mount Diablo Meridian |
| MDOT | Michigan Dept. of Transportation |
| MDP | Master Data Processor |
| MDR | Minimum Data Recorder |
| MDS | Metadata standards; Multi-dimensional scaling |
| MDSHS | Mount Diablo Surveyors Historical Society |
| MDSD | Mono-Digitizer Stereo-Digitizer |
| MDOT | Michigan Dept. of Transportation |
| MDT | Mountain Daylight Time |
| MDTC | Div. de la Topographie et de la Cartographie (Mauritania) |
| Me. | Maine |
| M.E. | Military Engineer; Mining Engineer |
| ME | Maine; Monoscopic Extraction |
| MECM | Miss~ao de Estudos Cartograficos de Macao |
| MEDEA | Measurements of Earth Data for Environmental Analysis (U.S.) |
| MEDS | Minimum essential data set |
| MEGDR | Mission Experimental Gridded Data Record(s) |
| MEGRIN | Multipurpose European Ground Related Information Network |
| mehr-gesch. | mehrgeschossig |
| MEI | Maps Etc. Inc. |
| MEIS | Multispectral Electrooptical Imaging Sensor |
| MEM | Ministry of Energy and Minerals (Tanzania) |
| MEMPR | Ministry of Energy, Mines and Petroleum Resources (British Columbia) |
| MENR | Ministry of Energy and Natural Resources (Trinidad and Tobago) |
| MEO | Medium Earth orbit |
| MEOW | Mono-Extraction Orthophoto Workstation |
| MER | Minist`ere de l'Energie et des Ressources (Quebec) |
| MERES | Mineral and Energy Resources Exploration Satellite (Japan) |
| MERIS | Medium Resolution Imaging Spectrometer |
| MERRA | Michigan Energy and Resources Research Association |
| MESSR | Multispectral Electronic Self-Scanning Radiometer |
| METSAT | Meteorological Satellite |
| MEWS | Mono-Extraction Workstation |
| MF | Miscellaneous Field Studies Map(USGS) |
| MFC | Map Feature Coding |
| MFGDP | Manual of Federal Geographic Data Products |
| MFLOPS | Million Floating Points Operations Per Second |
| MFS | Maine Forest Service |
| MGB | Mississippi Bureau of Geology |
| MGE | Microstation GIS Environment (Intergraph); Modular GIS Environment |
| MGG | Marine Geology and Geophysics Report |
| MGIS | Micro Geographic Information System |
| MGRS | Military Grid Reference System |
| MGS | Maine Geological Survey; Maryland Geological Survey; Minnesota Geological Survey; Mars Global Surveyor (satellite) |
| MGSD | Michigan Geological Survey Div. |
| MGSSSR | Ministerstvo Geologii SSSR |
| MH | Ministry of Housing (Bahrain) |
| M.H. | Meierhof = dairy farm |
| MHTD | Missouri Highway and Transportation Dept. |
| MHW | Mean High Water |
| MHz | Megahertz |
| Mi. | Mile(s) |
| MI | Michigan; Military Intelligence; Miscellaneous Investigations (map) |
| MIAS | Multispectral Image Analysis System |
| Mich. | Michigan |
| MIEM | Minist`ere de l'Industrie et de Mines (Malagasy Republic) |
| MIF | Main Image File; MapInfo Interchange Format |
| Mil. | Military |
| MIL | Map and Imagery Laboratory (Univ. of Calif., Santa Barbara); Milli-inch (1 thousandth of an in.) |
| MILSTRIP | Military Standard Requisitioning and Issue Procedures (USDMA) |
| MILUS | Multiple Input Land Use System (JPL software) |
| MIME | MultiPurpose Internet Mail Extension |
| Min. | Minute |
| Min. E. | Mineral Engineer; Mining Engineer |
| Minn. | Minnesota |
| MIO | Map Information Office |
| MIPS | Map and Image Processing System; Million Instructions Per Second; Mini-Image Processing System |
| MIRAGE | Map Image Rendering Database for Geoscience (NRCan) |
| MIS | Management Information System; Map Information System |
| MISR | Multi-angle Imaging SpectroRadiometer (NASA); Macaulay Institute for Soil Research |
| Miss. | Mississippi |
| MITE | Megapixel Imaging Technology |
| MITES | Miniature Interferometer Terminals for Earth Survey |
| MJH | M.J. Harden Associates, Inc. |
| ML | Master Library |
| MLA | Multi-linear array |
| MLC | Minimal level cataloging (Library of Congress) |
| MLHD | Maximum likelihood (decision functions) |
| MLMIC | Minnesota Land Management Information Center |
| MLMIS | Minnesota Land Management Information System |
| MLRA | Major Land Resource Areas |
| MLTA | Maine Land Title Assn. |
| MLW | Mean low water |
| MMKS | Mjetve Mesimore Kulturore e Sportive "Hamid Shijaku" (Albania) |
| MMOI | Mathematical Mode of Inquiry |
| MMQ | Metric Map Questionnaire |
| MMS | Metropolitan Map Series; Minerals Management Service (U.S.); Multi-Mission Modular Spacecraft (U.S.) |
| MMSD | Metric Mapping Support Data |
| MN | Magnetic north; Mine; Minnesota |
| Mn/DOT | Minnesota Dept. of Transportation |
| MNFS | Minor frame synchronization |
| MNS | Multi-Navigator System (Brunton) |
| Mo. | Missouri |
| MO | Magnetic-optical disc; Member organization; Missouri; Model orientation |
| MOA | Minute of angle |
| MoD | Ministry of Defence |
| MODIS | Moderate Resolution Imaging Spectroradiometer (or Spectrometer) |
| MODM | Multiple objectives decision-making |
| MODN | Module name |
| MOLA | Mars Orbital Laser Altimeter |
| MOLDS | Inst. for Modernization of Land Data Systems |
| MOMS | Modular Optoelectric Multispectral Scanner |
| Mont. | Montana |
| M.O.P. | Ministerio de Obras Publicas |
| MOPU | Ministerio de Obras Publicas y Urbanismo (Spain) |
| MoRAP | Missouri Resource Assessment Partnership |
| MOS | Marine Observation Satellite; Multispectral Optoelectric Scanner |
| MOSS | Map Overlay and Statistical System |
| MOST | Moving Objects Spatio-Temporal |
| MOUG | Map Online Users Group |
| MP | Measuring point |
| MPC | Minnesota Population Center |
| MPE | Map Publishing Environment |
| MPLIS | Multipurpose land information system(s) |
| Mpls. | Minneapolis |
| MPO | Multiproduct operation; Metropolitan planning organizations |
| MPP | Multi-spectral scanner preprocessor |
| MPRD | Modified Proportional Radial Displacement |
| MPRM | Ministry of Petroleum and Mineral Resources (Saudi Arabia) |
| MPWUPH | Ministry of Public Works, Urban Planning and Housing (Djibouti) |
| MR | Monoscopic revision |
| MRAC | Musee Royale de l'Afrique Centrale |
| MRB | Missouri River Basin |
| MRBC | Missouri River Basin Commission |
| MRC | Mississippi River Commission; Map Reference Code (USGS) |
| MRD | Mineral Resources Div. (Manitoba); Mineral Resources Dept. (Fiji); McCloud Ranger District |
| MRDB | Mapping Requirements Data Base System |
| MRI | Metadata Reference Information; Mediamark Research Inc. |
| MRIB | Marine Realms Information Bank |
| MRIR | Medium Resolution Infrared Radiometer |
| MRLA | Major Land Resource Area |
| MRLU | Map Reproduction and Liaison Unit |
| MRMS | Maritime Resources Management Service |
| MRS | Multispectral Resource Sampler |
| MrSID | Multiresolution Seamless Image Database |
| MRSA | Major River Systems Analysis |
| MRSH | Marsh |
| MRWS | Monoscopic Revision Workstation |
| ms. | Manuscript |
| MS | Manuscript; Mean seasonal; Milli-second; Microsoft Corp.; Monochromatic Scanner; Mississippi |
| MSA | Metropolitan statistical area; Mineralogical Society of America; Maritime Safety Agency (Japan) |
| MSC | Map Society of California; Mapping Science Committee (NRC) |
| MSD | Mapping support data; Malawi Dept. of Surveys; Mauritius Survey Dept. |
| MSDO | Mapping Support District Office |
| MS-DOS | MicroSoft Disc Operating System |
| MSE | Mean square error |
| MSEDB | Mapping Sciences Education Data Base |
| MSIA | Mapping Sciences Inst., Australia |
| MSIRI | Mauritius Sugar Industry Research Inst. |
| MSIS | Map Separates Information System; Model State Information System |
| MSL | Mean sea level |
| MSLS | Maine Society of Land Surveyors |
| MSP | Multispectral photography |
| .MSP | Microsoft Paint format |
| MSPE | Missouri Society of Professional Engineers |
| MSPS | Michigan Society of Professional Surveyors; Minnesota Society of Professional Surveyors |
| MSR | Minimal Spatial Representation |
| MSRN | Michigan Spatial Reference Network |
| MSRLS | Michigan Society of Registered Land Surveyors |
| MSS | Multispectral Scanner; Maryland Society of Surveyors |
| MST | Mountain Standard Time |
| MSTD | Marine Science and Technology Division (Science Applications International Corporation) |
| MSTS | Map Separates Tracking System |
| MSU | Microwave Sounding Unit |
| MSV | Model and Scenario Visualization |
| Mt. | Mount; Mountain; Mont |
| MT | Mountain; Montana |
| MTA | Major Trading Areas (FCC) |
| MTAE | Maden Tetkik ve Arama Enstitutu (Turkey) |
| MTC | Ministerio de Transporte y Comunicaciones (Venezuela) |
| MTF | Modulation transfer function |
| MTJ | Mendocino Triple Junction |
| MTLT | Minimum Total Length Triangulation |
| Mtn. | Mountain |
| MTP | MSS Telemetry Processor |
| MTPE | Mission to Planet Earth (NASA) |
| MTS | Mountains; Maine Technical Source |
| MTSAT | Multi-Functional Transport Satellite (Japan) |
| MTT | Mobile Training Teams (USDMA) |
| MTU | Magnetic tape unit |
| MUAC | Map Users Advisory Committee (ACMLA) |
| MUID | Map Unit ID (Identification) |
| MUIR | Map Unit Interpretations Record (US NRCS)
|
| MURB | Minister fur Umwelt, Raumordnung und Bauwesen (Saarland) |
| MVE | Multi-View Editor |
| MVI | Mapping for the Visually Impaired |
| MW | Megawatt |
| M.W. | Mittelwasser |
| MWDI | Master Water Data Index |
| MWF | Map Window File |
| MWRTK | Midwest Real Time Kinematic |
| MWT | Minimum Weight Triangulation |
| MyCOE | My Country, Our Earth |
| n. | nordlich = northern |
| N | Norden = North |
| N. | North |
| NA | National Archives; National Atlas; Not available; Not applicable |
| NABCI | North American Bird Conservation Initiative |
| NABGG | National Assn. for Black Geologists and Geophysicists |
| NAC | NASA Advisory Council |
| NACIS | North American Cartographic Information Society = Sociedad de Informacion Cartografica Norte Americana |
| NACo | National Assn. of Counties |
| NACS | National Assn. of County Surveyors |
| NAD | North American Datum |
| NAD 27 | North American Datum of 1927 |
| NAD 83 | North American Datum of 1983 |
| NADCON | North American Datum Conversion (NGS) |
| NADEC | National Atlas Development Centre (Ghana) |
| NADO | National Assn. of Development Organizations |
| NAFSMA | National Assn. of Flood and Stormwater Management Agencies |
| NAGT | National Assn. of Geoscience Teachers |
| NAHSC | National Automated Highway System Consortium |
| NAICS | North American Industry Classification System |
| NAIP | National Agriculture Imagery Program (USDA)
|
| NAIS | National Atlas Information Service (Canada) |
| NALMS | North American Lake Management Society |
| NALS | Nevada Assn. of Land Surveyors |
| NAMCOR | National Petroleum Corporation of Namibia |
| NAO | North Atlantic Oscillation |
| NAP | Northern Affairs Program (Canada) |
| NAPA | National Academy of Public Administration |
| NAPL | National Air Photo Library (Canada) |
| NAPP | National Aerial Photography Program (U.S.) |
| NARA | National Archives and Records Administration (U.S.) |
| NARC | National Association of Regional Councils |
| NARL | Naval Arctic Research Laboratory (Barrow, Alaska) |
| NARS | National Archives and Records Service (U.S.) |
| NARSA | National Advanced Remote Sensing Applications Program |
| NAS | National Academy of Sciences (U.S.); National Airspace System (U.S.) |
| NASA | National Aeronautics and Space Administration (U.S.) |
| NASBOG | National Assn. of State Boards of Geology |
| NASDA | National Space Development Agency (Japan) |
| NASS | National Agricultural Statistics Service (USDA) |
| NAST | NPOESS Airborne Sounder Testbed |
| NATM | New Austrian Tunnelling Method |
| NATMAP | Div. of National Mapping (Australia) |
| NATMO | Indian National Atlas and Thematic Mapping Organization |
| NATO | North Atlantic Treaty Organization |
| NAVD | North American Vertical Datum |
| NAVD 88 | North American Vertical Datum 1988 |
| NAVOCEANO | Naval Oceanographic Office (U.S.) |
| NavSol | Navigation Solutions LLC |
| Navtech | Navigation Technology Seminars Inc. |
| NAVTECH | Navigation Technologies Corp. |
| NAWQUA | National Water Quality Assessment (Program, USGS) |
| NB | Narrow band; New Brunswick |
| Nbf | Nebenbahnhof |
| NBFU | National Board of Fire Underwriters |
| Nbg. | Nurnberg |
| NBI | National Bridge Inventory (US) |
| NBII | National Biological Information Infrastructure |
| NBMG | Nevada Bureau of Mines and Geology |
| NBS | National Biological Survey (U.S.); National Bureau of Standards (U.S.); National Board of Survey = Maanmittaushallitus (Finland) |
| NBSM | National Bureau of Surveying and Mapping (China) |
| NBTR | Narrow band tape record(s or -er) |
| NC | North Carolina |
| N.C. | North Carolina |
| NCAR | National Center for Atmospheric Research (U.S.) |
| NCARB | National Council of Architectural Registration Boards |
| NCC | National Cartographic Centre (Iran) |
| NCDCDS | National Committee for Digital Cartographic Standards (U.S.) |
| NCDS | National Cartographic Data Standard |
| NCDSB | National Cartographic Data Standard Base |
| NCE | North Coast Engineering |
| NCEE | National Council of Engineering Examiners |
| NCEES | National Council of Examiners for Engineering and Surveying |
| NCEP | National Centers for Environmental Prediction (US) |
| NCGA | National Computer Graphics Assn. |
| NCGE | National Council for Geographic Education |
| NCGIA | National Center for Geographic Information and Analysis |
| NC&GS | National Charting & Geodetic Survey |
| NCGS | North Carolina Geological Survey |
| NCHRP | National Cooperative Highway Research Program |
| NCIC | National Cartographic Information Center (U.S.) |
| NCITS | National Committee for Information Technology Standards (USA) |
| NCMOC | Naval Central Meteorology and Oceanography Center (US) |
| NCR | National Capital Region |
| NCRDS | National Coal Resources Data System |
| NCRST | National Consortia on Remote Sensing in Transportation |
| NCRST-F | National Consortia on Remote Sensing in Transportation - (Flows) |
| NCS | National Cartographic Standards |
| NCSA | National Center for Supercomputer Applications |
| NCSD | Nebraska Conservation and Survey Div. |
| NCSME | Service des Mines et de l'Energie (New Caledonia) |
| NCSS | North Carolina Society of Surveyors |
| ND | North Dakota |
| N.D. | North Dakota |
| N-D | N-dimensional |
| NDAR | National Directory of Australian Resources |
| NDCDB | National Digital Cartographic Data Base (USGS) |
| NDCS | National Digital Cartographic Standards |
| NDF | Nevada Division of Forestry |
| NDG | Northern Development Group Inc. |
| NDGPS | National Differential GPS Network (or System) (U.S.); Nationwide Differential GPS |
| NDGS | North Dakota Geological Survey |
| NDI | Nautical Data International Inc. |
| NDIIPP | National Digital Information Infrastructure and Preservation Program
(Library of Congress) |
| NDL | National Digital Library (Library of Congress) |
| NDLS | Nauru Directorate of Lands and Survey |
| NDNRC | Nevada Dept. of Natural Resources and Conservation |
| NDOT | Nevada Dept. of Transportation |
| NDS | National Decision Systems |
| NDSL | Nevada Division of State Lands |
| NDSPLS | North Dakota Society of Professional Land Surveyors |
| NDVI | Normalized Difference Vegetation Index |
| NE | Northeast; Nebraska |
| Neb. | Nebraska |
| NEAR | Near Earth Asteroid Rendezvous |
| NED | National Elevation Dataset (earlier sometimes called Database)(USGS) |
| NE[Delta] | Exoatmospheric Noise Equivalent Reflectances |
| NEDSS | National Electronic Disease Surveillance System (US) |
| NEHRP | National Earthquake Hazards Reduction Program |
| NEIS | National Earthquake Information Service |
| NEL | National Exploitation Laboratory |
| NEMO | North East Map Organization |
| NEPAN | National Environmental Policy Act; National Environmental Protection Act |
| NERDD | Networked Electronic Report & Document Distribution |
| NERL | North East Research Libraries (US) |
| NES | New England Section (ACSM) |
| NESDIS | National Environmental Satellite, Data and Information Service (US) |
| NESACSM | New England Section ACSM |
| NESDIS | National Environmental Satellite Data and Information Service |
| NESS | National Environmental Satellite Service |
| NESTA | National Earth Science Teachers Assn. |
| NET | New Electronic Titles (US GPO) |
| Nev. | Nevada |
| NEXRAD | Next Generation Weather Radar |
| NF | Newfoundland |
| NFAP | National Forest Applications Program |
| NFDRS | National Fire Danger Rating System |
| NFFL | National Forest Fire Laboratory |
| NFIP | National Flood Insurance Program (U.S.) |
| NFIRA | National Flood Insurance Reform Act (U.S.) |
| NFIS | National Forest Information System |
| Nfld. | Newfoundland |
| NFS | National Forest Service (U.S.); National Forest System; Network File System |
| NFWS | National Fish and Wildlife Service (U.S.) |
| N.G. | Nicholas Guerard |
| NGA | National Geospatial-Intelligence Agency
|
| NGBN | National Gravity Base Net (U.S.) |
| NGCS | National Geodetic and Cartographic Service (Vietnam) |
| NGDA | National Geospatial Digital Archive (Library of Congress) |
| NGDC | National Geophysical Data Center (U.S.); National Geospatial Data Clearinghouse |
| NGDF | National Geospatial Data Files; National Geospatial Data Framework (UK) |
| NGES | Northrup Grumman Electronic Systems |
| NGGI | National Greenhouse Gas Inventory (Australia) |
| NGI | National Geography Inst. = Kungnip Chiriwon (S. Korea) |
| NGIC | National Geodetic Information Center |
| NGMA | National Geoscience Mapping Agency (Australia) |
| NGMBD | National Geologic Map Database (USGS) |
| NGPRP | Northern Great Plains Resource Program |
| NGRI | National Geophysical Research Inst. (India) |
| NGRS | National Geodetic Reference System (U.S.) |
| NGS | National Geographic Society (U.S.); National Geodetic Survey (U.S.) |
| NGSP | National Geodetic Satellite Program |
| NGTOC | National Geospatial Technical Operations Center (USGS) |
| NGU | Norges Geologiske Undersokelse |
| NGVD | National Geodetic Vertical Datum |
| NGVD29 | National Geodetic Vertical Datum of 1929 |
| NGWIC | National Ground Water Information Center |
| NH | New Hampshire |
| N.H. | New Hampshire; New Haven |
| NHAP | National High Altitude Photography (program) |
| NHC | National Hurricane Center (US) |
| NHD | National Hydrography Dataset (USGS) |
| NHGIS | National Historical Geographic Information System (MPC) |
| NHLSA | New Hampshire Land Surveyors Assn. |
| NHPN | National Highway Planning Network (FHWA) |
| NHS | National Highway System; National Height System (US) |
| NHTSA | National Highway Traffic Safety Administration (US) |
| NI | Natturfraedistofnun Islands |
| NICMOS | Near-Infrared Camera and Multi-Object Spectrometer |
| NIEHS | National Institute of Environmental Health Sciences (US) |
| NII | National Information Infrastructure |
| NIIGA | Nauchno-Issledovatel'skii Institut Geologii Artiki (U.S.S.R.) |
| NILS | National Integrated Land System (US BLM) |
| NIMA | National Imagery and Mapping Agency (U.S.) |
| NIMSA | National Interest Mapping Service Agreement (UK) |
| NIPR | National Inst. for Polar Research (Japan) |
| NIS | Nationwide Inpatient Sample (AHCPR) |
| NIST | National Inst. of Standards and Technology (U.S.) |
| NITF | National Imagery Transmission Format |
| NIUA | National Inst. of Urban Affairs (India) |
| NIWAR | National Inst. of Water and Atmosphere Ltd. (New Zealand) |
| NJ | New Jersey |
| N.J. | New Jersey |
| NJDEP | New Jersey Dept. of Environmental Protection |
| NJDOT | New Jersey Dept. of Transportation |
| NJGIN | New Jersey Geographic Information Network |
| NJGS | New Jersey Geological Survey |
| NJIT | New Jersey Institute of Technology |
| NJMapp | New Jersey Mapping Assistance Partnership Program |
| NJSPLS | New Jersey Society of Professional Land Surveyors |
| NJSPS | New Jersey Society of Professional Surveyors |
| NLA | National Land Agency (Japan); National Library of Australia |
| NLAPS | National Landsat Archive Production Sytem (USGS) |
| NLCD | National Land Cover Dataset (USGS & USEPA) |
| NLDAS | North American Land Data Assimilation System (NASA) |
| NLIS | National Land Information Service (UK) |
| NLQ | Near-letter quality |
| NLRB | National Level Bibliographic Record |
| NLUIS | Northern Land Use Information Series (Canada) |
| NM | New Mexico |
| NMAS | National Map Accuracy Standard(s) |
| NMASM | New Mexico Assn. of Surveyors and Mappers |
| NMB | National Mapping Bureau (Papua New Guinea) |
| NMBM&MR | New Mexico Bureau of Mines and Mineral Resources |
| NMC | National Map Collection (Canada) |
| NMCC | National Map Collection of Canada |
| NMD | National Mapping Div. (USGS) |
| NMDOT | New Mexico Dept. of Transportation |
| NMF | Network Mapping Facilities (Firm) |
| NMFS | National Marine Fisheries Service (U.S.) |
| NMMC | National Map Managers Conference |
| NMP | National Mapping Program (USGS) |
| NNE | North northeast |
| NNSS | Navy Navigational Satellite System |
| NNW | North north west |
| no | nordostwarts |
| NO | Nordosten = northeast |
| N.O. | New Orleans |
| NOAA | National Oceanic and Atmospheric Administration (U.S.) |
| NOBS | Northern Ohio Bibliographic Society |
| NOD | New Orleans District |
| NOMS | Northern Ohio Map Society |
| NOPPA | National Ocean Pollution Protection Act |
| NORTAD | North American Transportation Atlas Data; North American Transportation Database |
| NOS | National Ocean Service (U.S.); National Ocean Survey (U.S.) |
| NOSC | National Oceans Systems Center |
| NOSS | National Oceanographic Satellite System (U.S.) |
| NP | Norsk Polarinstitutt |
| NPF | Norsk Petroleums-forening = Norwegian Petroleum Society |
| NPIC | National Photographic Interpretation Center (U.S.) |
| NPMS | National Pipeline Mapping System (US) |
| NPOC | Naval Polar Oceanographic Center (U.S.) |
| NPOESS | National Polar-orbiting Operational Environmental Satellites |
| NPP | NOOESS Preparatory Project |
| NPR | National Performance Review (U.S.); Non-photorealistic rendering |
| NPRA | National Petroleum Reserve (Alaska) |
| NPR-A | National Petroleum Reserve-Alaska |
| NPS | National Park Service (U.S.); Nonpoint source |
| Nr. | Nummer = number |
| NRA | National Recreation Area; NASA Radarsat Program |
| NRC | National Research Council; Nuclear Regulatory Commission (U.S.) |
| NRCan | Natural Resources Canada |
| NRCS | Natural Resources Conservation Service (USDA) |
| NRCT | National Resources Council of Thailand |
| NRDD | Natural Resources Data Directory (NSW); National Resources Data Directory (Australia) |
| NRI | National Resources Inventory (SCS) |
| NRIC | National Resource Information Centre (Australia); Natural Resources Information Council |
| NRIS | National Resource Information System |
| NRO | National Reconnaissance Office (U.S.) |
| NRS | National Reference System (U.S.) |
| NRSA | National Remote Sensing Agency (India) |
| NRSC | National Remote Sensing Centre (U.K.) |
| NRSL | Northern Remote Sensing Laboratory (Univ. of Alaska) |
| NRVIS | Natural Resources Value Information System |
| NRWS | Narrows |
| NS | Nova Scotia; Not sprinklered |
| NSA | National Security Agency |
| NSAPI | Netscape Server Application Programming Interface |
| NSB | North Slope Borough (Alaska) |
| NSC | National Space Council (U.S.); National Security Council (U.S.); National Society of Cartographers |
| NSD | Nepal Survey Dept. |
| NSDC | National Spatial Data Council (U.S.) |
| NSDI | National Spatial Data Infrastructure; National Spatial Data Information |
| NSDNR | Nova Scotia Dept. of Natural Resources |
| NSF | National Science Foundation (U.S.) |
| NSGIC | National States Geographic Information Council |
| NSI | Natural Scale Indicator |
| NSIF | NATO Secondary Image Format |
| NSKV | Norges Sjokartverk |
| NSLAB | Niedersachsisches Landesamt fur Bodenforschung |
| NSLVA | Niedersachsisches Landesverwaltungsamt |
| NSN | National Satellite Network |
| NSPE | National Society of Professional Engineers |
| NSPS | National Society of Professional Surveyors |
| NSRFC | Nova Scotia Research Foundation Corp. |
| NSRS | National Spatial Reference System (NOAA) |
| NSS | National Soil Survey (Ireland); National Speleological Society; Navigational Safety System |
| NSSDA | National Standard for Spatial Database Accuracy |
| NSTB | National Satellite Test Bed |
| NSTL | National Space Technology Laboratory |
| NSW | New South Wales |
| NTAD | National Transportation Atlas Data (or Database(s) -- U.S. Bureau of Transportation) |
| NTD | National Topographic Database (OS) |
| NTDB | National Topographic Data Base (Canada) |
| NTDL | Northern Territory Dept. of Lands (Australia) |
| NTDME | Dept. of Mines and Energy (Northern Territory, Australia) |
| NTF | National Transfer Format (U.K.) |
| NTIS | National Technical Information Service (U.S.) |
| NTM | Notice to Mariners |
| NTPS | National Transportation Planning System |
NTS
| National Topographic Series (Canada); National Topographic System (Canada); Navigation Technology Satellite; Nevada Test Site |
| NTSB | National Transportation Safety Board (U.S.) |
| NUC | National Union Catalog |
| NUC CM | National Union Catalog, Cartographic Material |
| NURE | National Uranium Resources Evaluation (program) |
| NV | Nevada |
| NVCA | Nottawasaga Valley Conservation Authority |
| NVCN | National Vertical Control Network (U.S.) |
| NVDI | Normalized difference vegetation index |
| nw | nordwestlich |
| NW | Northwest; Nordwesten |
| N.W. | Niedrigwasser |
| NWA | National Water Alliance |
| NWFP | North West Frontier Province (Pakistan) |
| NWI | National Wetlands Inventory (USFWS); National Wilderness Inventory (Australia) |
| NWS | National Weather Service (NOAA) |
| NWSCA | National Water and Soil Conservation Authority (New Zealand) |
| NWWS | North West Wetlands Survey |
| NY | New York |
| N.Y. | New York |
| N.Y.C. | New York City |
| NYPL | New York Public Library |
| NYSAPLS | New York State Assn. of Professional Land Surveyors |
| NYSDOT | New York State Dept. of Transportation |
| NYSDT | New York State Dept. of Transportation |
| NYSGS | New York Geological State Geological Survey |
| NZ | New Zealand |
| N.Z. | New Zealand |
| NZFS | New Zealand Forest Service |
| NZGD | New Zealand Geophysics Div. |
| NZGS | New Zealand Geological Survey |
| NZMG | New Zealand Map Grid |
| NZMS | New Zealand Dept. of Lands and Survey |
| NZOI | New Zealand Oceanographic Inst. |
| NZSB | New Zealand Soil Survey |
| o | ostwarts |
| O | Osten, Orientalis, Orien, Oriente, Orientis = East |
| OAB | Operational advisory broadcasts |
| OAC | Osterreichischer Automobil Club |
| OACES | Oregon Association of County Engineers and Surveyors |
| OACH | Office of the Assistant Chief Hydrologist |
| OADCES | On-line Aerotriangulation Data Collection and Editing System |
| OAdW | Osterreichische Akademie der Wissenschaften |
| OALS | Office of Arid Lands Studies |
| OAMTC | Osterreichischer Automobil-, Motorrad- und Touring-Club |
| OAS | Orbit Adjustment Subsystem; Organization of American States |
| OASIS | Oceanic and Atmospheric Scientific Information System |
| Obj. | Objekt |
| OBM | Ontario Base Map; Ontario Basic Mapping Program |
| OBRP | Object representation |
| OBS | Office of Biological Services |
| OC | Oil and Gas Investigation Chart (USGS) |
| OCAP | Ohio Capability Analysis Project |
| OCE | Office of the Chief of Engineers |
| OCH | Office of the Chief Hydrologist |
| OCL | Object Constraint Language |
| OCLC | Ohio College Library Center |
| OCR | Optical Character Recognition; Optical Character Reader |
| OCRS | Ontario Centre for Remote Sensing |
| OCS | Office of Cadastral Survey (BLM); Operational Control System; Outer Continental Shelf; Ocean Color Scanner |
| OCTS | Ocean Color and Temperature Scanner |
| OCUL | Ontario Council of University Libraries |
| OCX | Object Component eXtension |
| OD | Optical disc; Outside diameter |
| ODBC | Operational Database Connectivity |
| ODC | Open Data Consortium |
| ODE | Open development environment |
| ODF | Oregon Dept. of Forestry |
| ODFW | Oregon Dept. of Fish and Wildlife |
| ODGMI | Oregon State Dept. of Minerals and Mineral Industries |
| ODGS | Ohio Div. of Geological Survey |
| ODNR | Ohio Dept. of Natural Resources |
| ODOP | Ohio Digital Orthophotography Project |
| ODOT | Ohio Dept. of Transportation; Oregon Dept. of Transportation |
| OEEPE | Organisation europeene d'etudes en photogrammetrie experimentale |
| OESA | Office of Earth Science Applications |
| OF | Open file; Open-file |
| OFAT | Ontario Flow Assessment Techniques |
| Offn. | Offnung = aperture, opening |
| OFIPLAN | Oficina de Planificacion Nacional (Costa Rica) |
| OFR | Open file report; Open-file report |
| OFSS | Open-file Services Section |
| OGC | Open GIS Consortium, Inc.; Oil and Gas Commission (British Columbia) |
| OGDE | Ontario Geographic Data Exchange |
| OGDI | Open Geospatial Datastore Interface |
| OGIC | Oregon Geographic Information Council |
| OGIS | Open GIS; Office of Geographic Information Systems (New Jersey) |
| OGRIP | Ohio Geographically Referenced Information Program |
| OGS | Ontario Geological Survey; Oklahoma Geological Survey |
| OGW | Office of Ground Water |
| OGWP | Office of Ground Water Protection (EPA) |
| OH | Ohio |
| OHA | Officeof Hawaiian Affairs |
| OHW | Office of Hazardous Wastes Hydrology |
| OIA | Office of International Activities |
| OIG | Office of International Geology |
| OIH | Office of International Hydrology |
| OII | European Commission's Open Information Interchange |
| OILT | Oil tank farm |
| OIS | Obstruction Identification Surfaces |
| OK | Okonomisk kart (Norway); Osterreichische Karte; Oklahoma |
| OKAGE | Oklahoma Alliance for Geographic Education |
| OLAP | Online analytical processing |
| OLE | Object Linking/Embedding |
| OLID | Ontario Land Information Directory |
| OLS | Operational Linescan (or Line Scan) imaging system; Ordinary Least Squares; Operational Line Scanner (DMSP) |
| OM | Oil and Gas Investigation Map (USGS) |
| OMG | Open Management Group |
| OMNR | Ontario Ministry of Natural Resources |
| OMO | Other mapping organization |
| OMPS | Ozone Mapping and Profiler Suite |
| OMTC | Ontario Ministry of Transportation and Communications |
| ON | Ontario; Original negative |
| ONC | Operational Navigation Chart |
| ONERN | Oficina Nacional de Evaluacion de Recursos Naturales (Peru) |
| ONIG | Office Nationale de la Geologie (Algeria) |
| ONPR | Office of National Petroleum Reserve (USGS) |
| ONSWG | Open Navigation Surface Working Group |
| Ont. | Ontario |
| OO | Object-Orientation |
| OOPEC | Office for Official Publications of the European Communities |
| OOSI | Osterreichisches Ost- und Sudosteuropa-Institut |
| OPAC | Online public access catalog; online patron access catalog |
| OPCS | Office of Population Censuses and Surveys (U.K.) |
| OPEC | Organization of Petroleum Exporting Countries |
| OPEDS | Outside Plant Engineering Design System (ESRI, Bell South) |
| OPIS | Ocean Planning Information System |
| OPL | Oilfield Publications Limited |
| OPP | Operational Positional Procedure |
| OPR | Office of Planning and Research |
| OPS | Optical sensor(s) |
| OPUS | Online Positioning User Service (US NGS); Online Processing User Service |
| OR | Oregon |
| ORMAP | Oregon Map (organization) |
| OQ | Orthophoto quadrangle |
| ORBIMAGE | Orbital Imaging Corp. |
| Ore. | Oregon |
| ORH | Office of the Regional Hydrologist |
| ORID | Ortho Rectified Image Data |
| ORRH | Office of the Regional Research Hydrologist |
| ORSER | Office for Remote Sensing of Earth Resources (Penn. State Univ.) |
| ORSTOM | Office de la Recherche Scientifique et Technique Outre Mer |
| OS | Ordnance Survey (U.K.); Object space; Operating System |
| OSBEELS | Oregon State Board of Examiners for Engineering and Land Surveying |
| OSCAR | Online Satellite Catalog and Request System (NOAA) |
| OSD | Overseas Surveys Directorate (U.K.); Office of the Secretary of Defense (U.S.); On-screen display |
| OSDA | Oregon State Dept. of Agriculture |
| OSEC | Ocean Systems Engineering Corp. |
| OSECO | Ogden Surveying Equipment Company |
| OSEDA | Office of Social and Economic Data Analysis (Missouri) |
| OSFD | Oregon State Forestry Dept. |
| OSGB | Ordnance Survey (U.K.) |
| OSI | Ordnance Survey of Ireland; Open Systems Interconnect model; Open Systems Interconnection |
| OSIP | Operational Satellite Improvement Program |
| OSLS | Oklahoma Society of Land Surveyors |
| OSM | Office of Surface Mining |
| OSNI | Ordnance Survey of Northern Ireland |
| OSOA | Optimal Statistical Objective Analysis |
| OSP | Office of State Planning |
| OSPE | Ohio Society of Professional Engineers |
| OSS | Office of Strategic Services (U.S.) |
| OSSI | Optronic Sensor for Stereo Imagery |
| OSSIM | Open Source Software Image Map (ImageLinks)
|
| OSTA | Office of Space and Terrestrial Applications (NASA) |
| OSTF | Ordnance Survey Transfer Format |
| OSTZ | Osterreichisches Statistisches Zentralamt |
| OSU | Oregon State University |
| OSW | Office of Saline Water; Office of Surface Water |
| OTA | Office of Technology Assessment |
| OTC | Over-the-counter; Office for Topography and Cartography (Tunisia) |
| OTF | On-the-fly |
| OTH | Over the horizon |
| OTHT | Over the horizon targeting |
| O.U. | Open under |
| OUCLS | Ontario Universities' Library Cooperative System |
| OUO | Official use only |
| OVN | Optical visible near-infrared |
| OW | Oil well |
| OWDC | Office of Water Data Coordination |
| OWRD | Oregon Water Resources Dept. |
| OWRR | Office of Water Resources and Research |
| OWRT | Office of Water Research and Technology |
| OWS | OGC Web Services |
| P | Precision; Ponente = West |
| Pa. | Pennsylvania |
| PA | Pennsylvania |
| PAA | Priority abatement areas |
| PAAD | Program Acronyms, Abbreviations and Definitions |
| PAC | Public Archives of Canada; Photo Annotation/Classification; Publications Advisory Committee (WAML) |
| PACOG | Pueblo Area Council of Governments |
| PACON | Pacific Congress on Marine Science and Technology |
| PAD | Position Aware Device |
| PADCO | Planning and Development Cooperative International |
| PAGES | Program for the Adjustment of GPS Ephemeris (NGS) |
| PAGIS | Protected Area Geographic Information System (NOAA); Planning and Geographic Information Systems (Hawaii); Pulaski (County, Ark.) Area Geographic Information System |
| PAIGH | Pan-American Inst. of Geography and History |
| PAL | Prime agricultural lands |
| PALIS | Ponds and Lakes Information System |
| PAM | Port-A-Meter; Point access methods |
| PAN | Polska Akademia Nauk |
| PAPS | Pooled Analytical Plotter System |
| PARC | Palo Alto Research Center (Calif.) |
| PAS | Pacific Aerial Surveys |
| PASDA | Pennsylvania Spatial Data Access system |
| PASP | Planning and Analysis Section |
| PASS | Precision Aerial Survey System (3Di) |
| PASSIA | Palestinian Academic Society for the Study of International Affairs |
| PAT | Polygon Attribute Table |
| PAVE | Package for Analysis and Visualization of Environmental Data |
| Pbf | Personenbahnhof = Passenger railway station |
| PBM | Portable Bitmap (format) |
| PBO | Plate Boundary Observatory; Performance-based organization |
| PBS | Primary Base Series (USFS) |
| PC | Personal Computer; Principal components |
| PCA | Principal components analysis |
| PCC | Professional competency credit; Program for Cooperative Cataloging (Library of Congress) |
| PCD | Practical Cartography Day |
| PC-DOS | Personal Computer-Disc Operating System |
| PCGN | Permanent Committee on Geographical Names for British Official Use |
| PCH | Professional competency hour; Pacific Coast Highway (Calif.) |
| PCLI | Independent political entity (republic) |
| P-Code | Precise code; Protected code |
| PCS | POS Computer System |
| PCT | Pacific Coast Trail |
| .PCX | PC Paintbrush Export Format |
| PD | Precision digitizing; Publications Div. (USGS) |
| PDA | Personal digital assistant; Portable data access |
| P&DC | Printing & Distribution Center |
| PDEP | Pennsylvania Dept. of Environmental Projection |
| PDF | Platform Data File; Portable Document Format |
| PDH | Professional development hour |
| PDL | Page Description Language; Positioning Data Link (Pacific Crest Corp.) |
| PDQ | Public Data Queries, Inc. |
| PDR | Preliminary Design Review (U.S. government) |
| PDS | Photogrammetric Data Services |
| PDT | Pacific Daylight Time; Precision digitizing table; Pliable Display Technology |
| PDU | Professional development unit |
| PDWS | Precision digitizing workstation |
| P.E. | Photogrammetric Engineer; Professional Engineer |
| PECG | Professional Engineers in California Government |
| PEN | Peninsula |
| Penn. | Pennsylvania |
| Pers. | Personen |
| PE&RS | Photogrammetric Engineering & Remote Sensing (journal) |
| PES | Post enumeration survey |
| Pf. | Pfeiler |
| PFAS | Pennsylvania Facility Analysis System (PDEP) |
| PFLP | Point-feature label placement |
| PFM | Pure File Magic (format) |
| PGD | Personal Geodatabase(s) |
| PGM | Permanent ground monument; Portable Grayscale Map |
| .PGM | Portable Graymap (format) |
| PGML | Precision Graphics Markup Language |
| PG/S | Product Generation Segment |
| P.H. | Power house |
| PHC | Probable hydrologic consequences |
| PHIGS | Programmer Hierarchical Interactive Graphics System |
| Philada. | Philadelphia |
| Phillips | Phillips, P.L. List of Geographical Atlases in the Library of Congress |
| PHODIS | Photogrammetric Image Processing System (Carl Zeiss Inc.) |
| PI | Pseudo intelligence; Photo interpretation |
| PIC | Public Information Center |
| .PIC | Lotus 1-2-3 Picture Format |
| PICA | Project Integrated Catalogue Automation |
| PICG | Programme International de Correlation Geologique |
| PID | Photoionization detector; Permanent station identifier |
| PIDL | Polygon ID left |
| PIDR | Polygon ID right |
| PIER | Pacific Island Ecosystems at Risk |
| PIG | Panstwowy Instytut Geologiczny (Poland) |
| PIMMA | Pipeline Integrity Management Mapping Application (RSPA) |
| PIN | Parcel identification number |
| PIO | Public Inquiries Office (USGS) |
| PIOS | Polygon Information Overlay System (ESRI) |
| Pixel | Picture element |
| PK | Peak |
| PKM | Penyiasatan Kajimbumi Malaysia; Professional Kansas Mapper |
| PKS | Peaks |
| PL | Programming language; Public law |
| PLAT | Plateau |
| PLF | Point Location File |
| PLGR | Precision lightweight GPS receiver |
| PLN | Plain |
| PLOT | Plotting (software) |
| PLS | Professional Land Surveyor |
| PLSC | Professional Land Surveyors of Colorado |
| PLSO | Professional Land Surveyors of Oregon; Professional Land Surveyors of Ohio |
| PLSS | Public Land Survey System (U.S.) |
| P.M. | Prime meridian |
| PMA | Production and Marketing Administration (USDA) |
| PM/S | Production Management Segment |
| PMSA | Primary metropolitan statistical area |
| PMT | Positive media transfer; Photomultiplier tube |
| PND | Pond |
| PNDI | Intermittent pond |
| .PNG | Portable Network Graphics (format) |
| PNRC | Pacific Northwest Regional Commission |
| PNDS | Ponds |
| PNRS | Preliminary Natural Resources Survey |
| PNW | Pacific Northwest |
| PO | Photogrammetric Operations; Post office |
| P&O | Plans & Operations |
| POAM | Polar Ozone and Aerosol Measurement |
| POC | Point of contact; Point of control |
| POD | Print-on-demand |
| POES | Polar-Orbiting Satellites (NOAA) |
| POLYID | Polygon identification number |
| POS | Point-of-scale; Position orientation systems |
| POS LV 220 | Position and Orientation System for Land Vehicles 220 (Applanix) |
| POSIX | Portable Operating System Interface for Computer Environments (UNIX) |
| POTS | Pan-only Triangulation System |
| PP | Proof plot; Proof plotter |
| PPB | Parts per billion |
| PPC | Pocket PC |
| PPDB | Point Positioning Data Base |
| PPGIS | Public participation GIS |
| PPL | Populated place |
| PPM | Portable Pixelmap (format) |
| PPMS | Photogrammetry Production Monitoring System |
| PPNL | Pacific Northwest National Laboratory |
| PPNM | Pengarah Pemetaan Negara, Malaysia |
| PPP | Point-to-point (protocol account, for email connections) |
| PPPG | Pusat Penelitian dan Pengembangan Geologi |
| PPS | Precise Positioning Service; Photographic Processing System |
| PPSS | Precise Positioning Service Security Module |
| PPWK | Panstwowe Przedsiebiorstwo Wydawnictw Kartograficznych (Poland) |
| PQ | Province Quebec |
| PR | Photo revision; Precipitation Radar; Pattern recognition; Puerto Rico |
| PRF | Point response function; Pulse repetition frequency |
| PRIM | Primary Map (inventory) |
| PRISM | Parameter-elevation Regressions on Independent Slopes Model |
| PRO | Public Record Office (U.K.) |
| PROSIX | Production System (USGS) |
| PROSYS | Production System--UNIX (USGS) |
| PRSN | Puget Reference Station Network |
| PRS92 | Philippines Reference System of 92 |
| PS | Plot Services; Point source; PostScript; Paleontological Society; Polar stereographic (projection); Professional Surveyor (journal) |
| PSA | Paciulli, Simmons & Associates Ltd. |
| PSAN | Professional Surveyors Assn. of Nebraska |
| PSCOG | Puget Sound Council of Governments |
| PSD | Perceived spatial dispersions; Programme des services de depot (Canada) |
| PSI | Planning Systems, Inc. |
| PSLS | Pennsylvania Society of Land Surveyors |
| PSM | Professional Surveyor Magazine |
| PSMA | Professional Services Management Assn. |
| PSPCI | Professional Surveyors Publishing Company, Inc. |
| PSPE | Pennsylvania Society of Professional Engineers |
| PSSC | Public Service Satellite Corp. |
| PST | Pacific Standard Time |
| PSU | Primary sampling unit |
| PT | Point |
| PTC | Positive train control |
| Pts. | Points |
| PUBGRF90 | TIGER Geographic Reference File Names, 1990 |
| PUG | Petroleum Users Group (ESRI) |
| PUMA | Public Use Microdata Area (USBC) |
| PUMS | Public Use Micro-Data Sample |
| PURL | Persistent URL software |
| PVT | Position, Velocity and Time |
| r. | rechts |
| R | Range; Release; Ruin |
| R&A OSS | Research and Analysis Branch, Office of Strategic Services (U.S.) |
| RAC | Related Accreditation Commission (ABET) |
| RAD | Rapid development application; Rules for Archival Description |
| RADAR | Radio Detecting and Ranging |
| RADEF | Road Administration Data Exchange Format |
| RAID | Redundant Array of Inexpensive Disks |
| RAIM | Receiver Autonomous Integrity Monitoring (GPS) |
| RALI | Resource and Land Information; Resource and Land Investigations (program LIA) |
| RALS | Random access logical subfiles |
| RAM | Random access memory |
| RAMS | Regional Atmospheric Modelins System (ATMET) |
| RAP | Regional applications program |
| RAPID | Rapid Application Planning Implementation and Deployment (GeoData Solutions, Inc.) |
| RAS | Remote Analysis Systems |
| RASC | Royal Australian Survey Corps |
| RASVY | Royal Australian Survey Corps |
| RATP | Regie autonome des transports parisiens |
| RBDS | Radio broadcast data system |
| RBE | Rule-Base Engine |
| RBI | River Basin Investigation |
| RBMS | Relational Database Management System |
| RBV | Return Beam Vidicon |
| RCA | Radio Corporation of America |
| RCC | Regional census center |
| RCH | Reach |
| RCIC | Regional Coastal Information Center |
| RCID | Record ID (Identification) |
| RCMRD | Regional Centre for Mapping of Resources for Development (Kenya) |
| RCRA | Resource Conservation and Recovery Act |
| RCS | Research Camera System |
| RCSSMRS | Regional Centre for Services in Surveying and Mapping and Remote Sensing (Nairobi) |
| RCWD | Rancho California Water District |
| R&D | Research and development |
| RDBMS | Relational database management system |
| RDC | Regional Distribution Centre (Natural Resources Canada); Research Data Centre (Canada) |
| RDGE | Ridge |
| RDI | Resource Data International Inc. |
| RDS | Radio data system |
| RDTS | Research and Development Tracking System (BLM) |
| RE | Royal Engineers (U.K.) |
| REA | Rural Electrification Administration (U.S.) |
| REAP | Regional Environmental Applications Program (N. Dakota) |
| REC | Recompile(d) |
| RE COMP | Recompile |
| RECOMP | Recompilation |
| RECON | Retrospective conversion |
| RECTAS | Regional Center for Training in Aerospace Surveys (Nigeria) |
| REDI | Real Estate Data Inc. |
| REGIS | Regional Geographic Information System (Kent County, Mich.) |
| Reichsb | Reichsbahn = National railroad |
| Reichsbf | Reichsbahnhof = National railroad station |
| RELOS | Regional Locator System |
| REMS | Regional Earth Modeling System (NASA) |
| RepCode | Representation Code |
| RESCU | Remote Emergency Satellite Cellular Unit |
| RESTEC | Remote Sensing Technology Center of Japan |
| RET | Rotterdamsche Electrische Tram |
| RETSAM | Review, Editing and Tagging Software for Automated Mapping |
| REU | Resources Evaluation Unit (USFS) |
| Rev | Revised |
| REVPG | Revision and Product Generation System |
| RF | Representative fraction; Reef; Radio frequency |
| RfC | Reference concentration |
| RFPMG | Radar Fixed Point Minigraphic |
| RG | Record group |
| RGB | Red-green-blue |
| Rgbf | Rangierbahnhof = Shunting station |
| RGD | Rijks Geologische Dienst (Netherlands) |
| RGS | Royal Geographical Society (U.K.) |
| RH | Regional hydrologist; Relative humidity |
| RI | Rhode Island |
| R.I. | Rhode Island |
| RIAI | Royal Inst. of Architects of Ireland |
| RICS | Royal Institution of Chartered Surveyors (U.K.) |
| RIG | RETSAM/Intergraph/Giant |
| RIJP | Rijksdienst voor de IJsselmeerpolders (Netherlands) |
| RIN | Realty Information Network |
| RINEX | Receiver Independent Exchange (GPS data format) |
| RIP | Raster Image Processing; Raster Image Processor; Road Inventory Program |
| RIPS | Remote Image Processing System; Remote Information Processing System |
| RIRT | Russian Inst. of Radionavigation and Time |
| RIS | Rapid Imaging Software; Retroreflector in Space |
| RISC | Reduced Instruction Set Computer |
| RKSW | Rocks in water |
| RKW | Rock in water |
| RL | Rannsoknastofnun Landbunadarins (Iceland) |
| RLE | Run-length encoded |
| RM | Replacement mapping |
| RMA | Reliability, Maintainability and Availability; Risk Management Agency (USDA) |
| RMCA | Road Map Collectors of America |
| RMIB | Rudolf Muller International Booksellers |
| RMK | R.M. Keddal & Associates, Inc. |
| RMMC | Rocky Mountain Mapping Center (USGS) |
| RMS | Root mean square |
| RMSE | Root mean squared error |
| RMSI | Risk Management Solutions Inc. |
| RMT | Remotely measured target |
| RNRC | Renewable Natural Resources Center |
| RNRF | Renewable Natural Resources Foundation |
| RO | Range only |
| RODOBRAS | Comiss~ao Especial construc~ao da Rodovia Belem-Brasilia |
| ROM | Read-Only Memory |
| ROMANSE | Road Management System for Europe |
| ROMP | Regional Observation Monitoring (well) Program |
| ROP | Raster operations processor |
| R-O-W | Right-of-Way |
| RP | Reference point |
| RPC | Rational polynomial coefficient |
| RPDS | Rapids |
| RPE | Regional political ecology |
| RPF | Raster product format |
| RPID | Representation module ID |
| RPIE | Replacement Photographic Image Equipment |
| RPMIS | Real Property Management Information System |
| RPP | RBV Preprocessor |
| RPU | Remote positioning unit |
| RQA | River Quality Assessment |
| RRDS | Reduced Resolution Data Set |
| RRH | Regional Research Hydrologist |
| R/S | Remote sensing |
| RSAC | Remote Sensing Application Center (USFS) |
| RSAL | Remote Sensing Applications Laboratory (Univ. of Washington) |
| RSC/TAMU | Remote Sensing Center/Texas A&M Univ. |
| RSGS | Royal Scottish Geographical Society |
| RSI | Remotely Sensed Imagery; RADARSAT International Remote Sensing Institute (S.Dakota State Univ.); Research Systems, Inc. |
| RSIP | Remote Sensing and Image Processing |
| RSPA | Research and Special Programs Administration (USDOT) |
| RSRP | Remote Sensing Research Program (Univ. of Calif., Berkeley) |
| RSRT | Resort |
| RSSC | Remote Sensing Science Council |
| RST | Representation Style Table |
| RSTF | Remote Sensing Task Force |
| RSTN | Railroad station |
| RSV | Reservoir |
| RSVP | Resource reservation protocol |
| RT | Radio tower; Real time; Remote terminal |
| RTA | Regional Transport Authority (Chicago) |
| RTCM | Radio Technical Commission for Maritime (format) |
| RTF | Rich Text Format |
| RT-GPS | Real-time Differential GPS |
| RTK | Real-time kinematic; Right-to-Know Network |
| RTP | Real Time Positioning |
| R&TS | Research & Technical Standards |
| RTSD | Royal Thai Survey Dept. |
| RTSI | Routing Technology Software Inc. |
| RTTK | Real Time TurboKinematic (Allen Obsobne Associates) |
| RTV | Raster to vector |
| RUIN | Ruins |
| RUIS | San Diego Regional Urban Information System |
| RUS | Rest of the U.S. |
| RV | Reise- und Verkehrsverlag |
| R-VIS | Reality Visualization |
| RVP | Raster-to-vector processor; Radar Verification Programme |
| s. | Sculpsit (engraver); sudlich = southern, southerly |
| S | Secret; Store; Suden = south |
| SA | Selected availability; Selective availability; Signal accuracy; Situational awareness; Source acquisition |
| S&A | Sampling and analysis |
| SAA | Southern Appalachian Assessment (GIS database) |
| SAC | Sectional aeronautical chart; Satellite Applications Centre (CSIR) |
| SACC | Spatial Analysis Coordinating Committee |
| SADIE | System at Arizona for Digital Information Extraction |
| SADL | South Australia Dept. of Lands |
| SADME | South Australian Dept. of Mines and Energy |
| SADR | Spatial address |
| SAE | Survey Agro Ekonomi (Indonesia) |
| SAF | Society of American Foresters |
| SAFOD | San Andreas Fault Observatory at Depth |
| SAGA | Short Arc Geodetic Adjustment (doppler) |
| SAGEEP | Symposium on the Application of Geophysics to Engineering and Environmental Problems |
| SAIC | Science Applications International Corp. |
| SAL | Stanford Auxiliary Library |
| SaLIS | Surveying and Land Information Systems (journal) |
| SALT | Salina |
| SAM | Spatial access methods |
| SAM Inc | Surveying and Mapping, Inc. |
| SAMAB | Southern Appalachian Man and Biosphere (project) |
| SAMSOG | Surveying and Mapping Society of Georgia |
| SANDAG | San Diego Association of Governments |
| SANAIS | South African Natural Areas Information System |
| SAR | Synthetic aperture radar |
| SARSAT | Search and Rescue Satellite Aided Tracking System |
| SARM | Spatial Auto-Regressive Model |
| SA/S | Source Aquisition Segment |
| SAST | Scientific Assessment and Strategy Team (U.S.) |
| SAT | Small area triangulation |
| SAW | Spill analysis workstation; Surface acoustic wave |
| SAZU | Slovenske Akademije Znanosti in Umetnosti = Slovenian Academy of Sciences and Art |
| SB | Survey of Bangladesh |
| SBAS | School Boundary Analysis System (GeoSpatial Technologies) |
| SBCDP | Small Business Competitiveness Demonstration Program (U.S.) |
| SBM | Surveys and Mapping Branch (Manitoba) |
| SBUV | Solar Backscatter Ultraviolet (spectrometer) |
| S.B.V. Adm. | Schulbucher-Verschleiss-Administration (Wien) |
| sc. | Sculpsit = engraver |
| SC | South Carolina |
| S.C. | South Carolina |
| S/C | Spacecraft |
| S.C.A. | Samuel Chapman Armstrong |
| SCADA | Supervisory Control and Data Acquisition |
| SCAMP | Southern California Aerial Mapping Project |
| SCAN | Surface Condition Analyzer (Surface Systems Inc) |
| SCAR | Scientific Committee on Antarctic Research |
| SCB | Statistika Centralbyran (Sweden) |
| SCC | Servico de Cartografia e Cadastro (Macao); SoftCopy Catalog (USDMA) |
| SCCAMA | Southern California Computer Aided Mapping Assn. |
| SCD | Source Control Drawing; Specification Control Drawing |
| SCDOT | South Carolina Dept. of Transportation |
| SCEC | Southern California Earthquake Center |
| SCEP | Servico Cartografico do Exercito (Portugal) |
| SCERP | Southwest Center for Environmental Research and Policy |
| SCGIS | Sedgwick County (Kans.) GIS Dept. |
| SCGP | Societe Canadienne des Geologique Petroliers |
| SCGS | South Carolina Geological Survey |
| Sch | School |
| SCH | School |
| Scheit-elst. | Scheitelstarke |
| Schl. | Schloss = castle |
| SCM | Supply chair management |
| S.C.M. | Sacrae Caesareae Majestatis = Holy Imperial Majesty (Holy Roman Emperor) |
| SCO | State Cartographer's Office (Wisconsin) |
| SCOOP | Schedule Control of Orthophoto Products |
| SCOPE | Scientific Committee on Problems of the Environment |
| SCR | Service Cartographique du Rwanda |
| SCS | Soil Conservation Service (USDA); Soft Copy Search (NIMA) |
| SCSA | Standard Consolidated Statistical Area; Soil Conservation Society of America |
| SCSD | Street Centerline Spatial Dataset |
| SCSI | Small computer system interface |
| SCSMAC | South Carolina State Mapping Advisory Committee |
| SCSPLS | South Carolina Society of Professional Land Surveyors |
| sct. | Sculpsit (engraver) |
| SCTRAP | South Carolina Toxic Risk Atlas Project |
| sculp. | Sculpsit (engraver) |
| SCWRC | South Carolina Water Resources Commission |
| SD | South Dakota |
| S.D. | South Dakota |
| SDA | Spalding DeDecker Associates, Inc.; Survey Document and Analysis (Univ. of California, Berkeley) |
| SDB | Spatial data base |
| SDBMS | Spatial database management system |
| SDDOT | South Dakota Dept. of Transportation |
| SDDP | Spatial Data Discovery Portal (Simon Fraser University
) |
| SDE | Spatial Database Engine (ESRI) |
| SDES | Spatial Data Exchange Standard |
| SDG | Survey Dept. Ghana |
| SDGS | South Dakota Geological Survey |
| SDH | Spatial data handling |
| SDI | Selected Dissemination of Information; Spatial data infrastructure |
| SDL | Survey Dept. of Libya |
| SDLC | Synchronous Data-Like Control; System Development Life Cycle |
| SDMG | Direction des Mines et de la Geologie (Senegal) |
| SDMS | Spatial Data Management System |
| SDNR | State Dept. of Natural Resources |
| SDOI | Spatial Data Organization Information |
| SDPS | Spatial Data Production System |
| SDRW | Societe de Developpement Regional pour la Wallonie |
| SDS | Swaziland Dept. of Surveys; Simplicial data structure |
| SDSB | Satellite Data Services Branch (NOAA) |
| SDSFIE | Spatial Data Standard for Facilities, Infrastructure and Environment (Tri-Services) |
| SDSS | Spatial decision support systems |
| SDT | Spatial Data Technologies (Firm) |
| SDTP | Spatial data transfer processor |
| SDTS | Spatial Data Transfer Standard |
| SDUK | Society for the Diffusion of Useful Knowledge |
| SDV | Soil Data Viewer (NCRS) |
| SE | Southeast |
| SEAMS | Soil, Environmental, and Agricultural Management System (Univ. of Florida Dept. of Soil and Water) |
| SEASAT | Sea Satellite (U.S.) |
| SEATO | Southeast Asia Treaty Organization |
| SECFT | Sociedad Espa~nola de Cartografia, Fotogrametria y Teledeteccion |
| SECO | Surveying Equipment Company (later: SECO Manufacturing) |
| SEDAC | Socioeconomic Data and Application Center |
| SEDESOL | Secretaria de Dessarrollo Social (Mexico) |
| SEDMS | Spatially Enabled Document Management System (Intergraph Corp.) |
| SEDUE | Secretaria de Desarrollo Urbano y Ecologia (Mexico) |
| SEG | Society of Economic Geologists; Society of Exploration Geophysicists |
| S.E.O.P. | Secretaria de Estado de Obras Publicas (Argentina) |
| SEOS | Stationary Earth Orbit Satellite |
| SEPA | State Environmental Protection Agency |
| SEPM | Society for Sedimentary Geology |
| SERIES | Satellite Emission Range Inferred Earth Surveying |
Serna-
geomin | Servicio Nacional Geologia y Mineria (Chile)
|
| SES | Standalone Edit Stations |
| SESCPF | Service d'Etude des Sols et de la Carte Pedalogique de France |
| SESWG | Solid Earth Science Working Group |
| SEVIRI | Spinning Enhanced Visible and Infrared Imager |
| SEWUG | Southeastern Water Use Group |
| S.F. | San Francisco |
| SfBWW | Senator fur Bau- und Wonungswesen (Berlin) |
| SFHA | Special Flood Hazard Area |
| SFQL | Structured Full-text Query Language |
| SfSU | Senator fur Stadtentwicklung und Umweltschutz (Berlin) |
| SGA | Societe Geoscientifique de l'Atlantique; State Geologic Agencies; Service Geologique de l'Armee (Syria) |
| SGB | Service Geologique Belgique; Servicio geologico de Bolivia |
| SGCB | State Geodesy and Cartography Board (Mongolia) |
| SGD | Solar Geophysical Data (journal); Symbolized Graphic Data; Surveyor General's Dept. (South West Africa) |
| SGE | Servicio Geografico del Ejercito (Spain) |
| SGG | Service Geologique du Gabon |
| SGpK | Schweizerische Geophysikalische Kommission |
| SGI | Servicio Geologico d'Italia; Silicon Graphics workstation |
| SGK | Schweizerische Geologische Kommission |
| SGL | Service Geologique de Luxembourg |
| SGM | Servicio Geografico Militar (Uruguay) |
| SGML | Standard generalized markup language |
| SGN | Servicio Geologico Nacional (Argentina, Nicaragua); Service Geographique National (Laos) |
| SGS | Stanford Geological Survey |
| SGtK | Schweizerische Geotechnische Kommission |
| SGU | Sveriges Geologiska Undersokning; Savezna Geodetska Uprava (Yugoslavia)
|
| S.H. | School house |
| SHA | State Highway Administration (Maryland) |
| SHAPE | Systematic Horizontol Adjustment of Positional Errors |
| SHC | Service hydrographique du Canada |
| S.H.C. | Surveyor, Hopkins County |
| SHDSL | Symmetric High-bit-rate Digital Subscriber Line |
| SHEF | Standard Hydrometeorological Exchange Format |
| SHIPS | Seizmic Hazards Investigation in Puget Sound |
| SHMP | Seizmis Hazard Mapping Program |
| SHN | Servicio de Hidrografia Naval (Argentina) |
| SHOALS | Scanning Hydrographic Operational Airborne LiDAR System (or Survey -- USCE, Optech) |
| SHOL | Shoal |
| SHOM | Service Hydrographique et Ocenographique de la Marine (France) |
| SHORAN | Short-range Navigation (system) |
| SHS | Surveyors Historical Society |
| SI | Survey of India; Survey of Israel |
| SIAC | Spatial Information and Analysis Consortium |
| SIAMS | Ship Information and Management System |
| SIAN | Service d'information de l'atlas nationale (Canada) |
| SIAT | Special Image Annotation Tape |
| SIB | Solar Indices Bulletin
|
| SIC | Standard Industrial Classification |
| SICC | Surveying Instrumentation and Coordinate Computation
|
| SICO | Schonstedt Intstrument Company |
| SICOM | South Australian Spatial Information Committee |
| SID | Scanned Image Data; South Australian Spatial Information Directory |
| SIF | Standard Interchange Format (Intergraph) |
| SIG | Sistemas de informacion geografica; Special interest group |
| SIGACE | Special Interest Group for the Application of CD-ROM in Education |
| SIGCAT | Special Interest Group on CD-ROM Applications & Technology (U.S.) |
| SIGGRAPH | Special Interest Group on Graphics (ACM) |
| SIGIT | Swedish Institute for Geographic Information Technology |
| SIGLIT | Special Interest Group on Library Information Technology (U.S.) |
| SIGS | Solomon Islands Geological Survey |
| SIGSA | Sistemas de Informacion Geografica S.A. |
| SILS | Science Information and Libary Services (USGS) |
| SIM | Spatial interaction model |
| SIMAG | Spatial Information Management Advisory Group |
| SIME | Space Imaging Middle East |
| SIP | Scanner Interface Processor |
| SIPES | Society of Independent Professional Earth Scientists |
| SIR | Shuttle Imaging Radar; Space Imaging Radar (NASA); Surveys, Investigations and Research (USGS) |
| SIRS | Satellite Infrared Spectrometer |
| SIRU | Soils and Irrigation Research Unit (South Africa) |
| SIS | Standard Indexing System (DOD aerial photography); Spatial Information Systems (Computer Aided Development Corp.) |
| SISMD | Solomon Islands Survey and Mapping Div. |
| SJSU | San Jose State University |
| SK | Survey of Kenya; Slovenska Kartografia |
| SKV | Statens Kartverk (Norway) |
| s.l. | Sine loco = without place (of publication) |
| SLA | Special Libraries Assn. |
| SLAC | Stanford Linear Accelerator Center |
| SLAGMD | Special Libraries Assn. Geography & Map Div. |
| SLAP | Soils Landscape Analysis Project; Supplemental Low Altitude Photography |
| SLAR | Side-Looking Airborne Radar |
| SLAT | Spacecraft Location/Attitude Tape |
| SLATS | Statewide Landcover and Trees Study (Queensland DNR) |
| SLC | Scan Line Corrector (USGS) |
| SLD | Slope-Line Detection |
| SLD29 | Sea Level Datum of 1929 |
| SLF | Standard Linear Format |
| SLG | Symbolized Line Graph; Synthetic Line Generation |
| SLGSD | Sri Lanka Geological Survey Dept. |
| SLIP | Serial Line Internet Protocol |
| SLM | Structure line model |
| SLP | Slope(s) |
| SLR | Satellite Laser Ranging; Side-looking Radar |
| SLSD | Sri Lanka Survey Dept. |
| SLSI | Society of Land Surveyors of Iowa |
| SLUPD | Swaziland Land Use Planning Dept. |
| sm | Seemeile |
| SM | Survey Manual |
| S.M. | Saw mill |
| SMA | Schweizerische Meteorologische Anstalt |
| SMAC | State Mapping Advisory Committee (or Council) |
| SMART | Spatial Mapping Academic Research Tools |
| SMASCH | Specimen Management System for California Herbaria |
| SMB | Surveys and Mapping Branch (Manitoba) |
| SMC | Special Mapping Center |
| SMCDG | Small Map Collection Discussion Group (MAGERT) |
| SMCRA | surface Mining Control and Reclamation Act |
| SMD | Surveys and Mapping Div. (Tanzania) |
| SME | Softcopy Monoscopic Extraction; Society of Mining Engineers; society for Mining, Metalurgy, and Exploration, Inc. |
| SMGE | Sociedad Mexicana de Geografia y Estadistica |
| SMI | Surveyors Module International (Firm) |
| SMIB | Surveying and Mapping Inst. of Beijing |
| SMIMS | Single MIM-Based Integrated Mapping System (USBC) |
| SMIRR | Shuttle Multispectral Infrared Radiometer |
| SMIPS | Small Interactive Image Processing System |
| SMMR | Scanning Multichannel Microwave Radiometer |
| SMMT | Submilimeter Telescope |
| SMN | Servicio Meteorologico Nacional (Argentina) |
| SMOW | Standard Mead Ocean Water |
| SMS | Synchronous Meteorological Satellite(s) |
| SMSA | Standard Metropolitan Statistical Area |
| SMTP | Simple Mail Transfer Protocol |
| S/N | Signal-to-Noise Ratio |
| s.n. | Sine nomine = without name (of publisher) |
| SNARIL | Social, Natural, and Agricultural Resources Information Laboratory (Univ. of Kentucky) |
| SNB | Service New Brunswick |
| SNCF | Societe Nationale des Chemins de Fer (France) |
| SND | Street Network Database |
| SNEP | Sierra Nevada Ecosystem Project |
| SNF | Superior National Forest (Minn.) |
| SNGM | Servicio Nacional de Geologia y Mineria (Chile) |
| SNI | Siemens Nixdorf Information Systems AG |
| SNID | Startnode ID |
| SNIG | Sistema Nacional de Informac~ao Geografica = Portuguese National Infrastructure for Geographic Information |
| SNLCS | Servico Nacional de Levantamento e Conservac~ao de Solos (Brazil) |
| SNM | Square nautical miles |
| SNR | Signal-to-Noise Ratio |
| SNRIM | Subcommittee on Natural Resources |
| SNT | Servicio Nacional de Turismo (Chile) |
| SNWA | Southern Nevada Water Authority |
| SNWS | Southern Nevada Water System |
| SOAP | Simple Object Access Protocal |
| SOCC | Satellite Operations Control Center (NOAA) |
| SODEMI | Societe pour le Developpement Minier de la Cote d'Ivoire |
| SOFRATOP | Societe francais de travaux topographique et photogrammetriques |
| Soft AT | Softcopy Aerotriangulation |
| SOHO | Solar and Heliospheric Observatory Satellite |
| SOI | Survey of India |
| SOLE | Spatial On-Line Editor (ESRI) |
| SOLSE | Shuttle Ozone Limb Scanning Experiment |
| SOM | Space Oblique Mercator (projection); Spatial Object Manager (Smallworld) |
| SONAR | Sound Navigation and Ranging |
| SONATRACH | Societe Nationale de Recherches de l'Explorations Mini`eres (Algeria) |
| SOP | Secretaria de Obras Publicas |
| SORCE | Solar Radiation and Climate Experiment
|
| SORSA | Spatially-Oriented Referencing Systems Assn. |
| SOS | Survey Office System |
| SOWR | Sensitivity of Water Resources (global change hydrology program) |
| SP | Survey of Pakistan |
| SPANS | Spatial Analysis System (TYDAC Technologies) |
| SPARRSO | Bangladesh Space Research and Remote Sensing Organisation |
| SPB | Space Planning Bureau |
| SPC | State Plane Coordinate (system or systems) |
| SPC RE | Survey Production Centre, Royal Engineers (U.K.) |
| SPCS | State Plane Coordinate System(s) |
| SPDK | Sistem Pengurusan Data Kadaster (Malaysia) |
| SPEK | Sistem Pengeshan Kualiti = Quality Assurance System (SPDK) |
| SPID | Sistem Pengurusan Imej Dokumen = Certified Plan Image Database (SPDK) |
| SPIE | Society of Photo-optical Instrumentation Engineers |
| SPIN-2 | Space Information-2 Meter Data (Russian Space Agency) |
| SPIRE | Spatial Paradigm for Information Retrieval and Exploration |
| SPO | State Planning Office |
| SPOEM | Special Projects Office for Exploitation Modernization (USDMA) |
| SPOT | Syst`eme Probatoire d'Observation de la Terre (satellite) |
| SPOTS | Standard Programming of Telemetry Systems |
| SPRI | Scott Polar Research Inst. (Univ. of Cambridge) |
| SPS | Stichting Planbureau Suriname; Standard Positioning Service |
| SP/S | Source Preparation Segment |
| SPT | Strathclyde Passenger Transport |
| SPVEA | Superintendencia do Plano de Valorizac o Economica da Amazonia (Brazil) |
| SQL | Standard Query Language; Structured Query language |
| SRBC | Susquehanna River Basin Commission |
| SRES OP | Special Report on Emission Scenarios Open Process |
| SRF | Systematic reconnaissance flights |
| SRI | Spatial Reference Information |
| SRMB | Surveys and Resource Mapping Branch (British Columbia) |
| SROM | Spectro-radiometer for Ocean Monitoring |
| SRTM | Shuttle Radar Topography Mission |
| SRV | Socialist Republic of Vietnam |
| SSA | Seismological Society of America |
| SSCC | SPAWAR Systems Center, Charleston |
| SSSA | Soil Science Society of America |
| SSD | Singapore Survey Dept.; Sudan Survey Dept. |
| SSDAN | Social Science Data Analysis Network (University of Michigan) |
| SSE | South Southeast |
| SSEW | Soil Survey of England and Wales |
| SSEOP | Space Shuttle Observation Project (U.S.) |
| SSGN | Service Geographique National (Senegal) |
| SSI | Surface Systems Inc. |
| S-SIG | Sureying Special Interest Group |
| SSK | Stereo Softcopy Kit (Intergraph Corp.) |
| SSM/I | Special Sensor Microwave Imager |
| SSMC | Silver Spring Metro Center (NOAA) |
| SSMS | Spatial statistical modeling service |
| SSS | Side Scan SONAR |
| SST | Sea-surface temperature |
| SSU | Strategic Services Unit (U.S. War Dept.); Secondary sampling unit; Stratospheric Sounding Unit |
| SSURGO | Soil Survey Geographical (database) |
| SSW | South Southwest |
| SS1 | SpaceShipOne |
| St | Saint; Street |
| STAAC | Space and Terrestrial Applications Advisory Committee |
| STAC | State Technology Applications Centers (NASA) |
| StatsCan | Statistics Canada |
| STATSGO | State Geographic Database (U.S.) |
| Stb. | Steinbruch = stone quarry |
| STC | Standard Telephones & Cables PLC; Stanford Technology Corp. |
| STCB | Survey Technician Certification Board (ASCM) |
| Stde. | Stunde = hour |
| STEPS | Spatial Templates for Emergency Preparedness (PlanGraphics, Inc.) |
| STDM | Stadium |
| STDN | Spacecraft Tracking and Data Network |
| STF | Summary tape file |
| STIA | Spatial Technologies Industry Association |
| STIBOKA | Stichting voor Bodemkartering (Netherlands) |
| STINASU | Stichting Natuurbescherming Suriname |
| STK | Satellite Tool Kit (Analytical Graphics, Inc.) |
| STM | Stream; System test mode; Solid Terrain Modeling; Solid Terrain Modeling, Inc. |
| STMA | Anabranch |
| STMD | Distributary |
| STMI | Intermittent stream |
| STMM | Stream mouth |
| Str. | Strasse = street |
| STRT | Strait |
| STV | Service Topographique (Vanuatu) |
| SU | Standard update; Stanford University; Syracuse University |
| SUC | Society of University Cartographers |
| SUDENE | Superintendencia de Desenvolvimento do Nordeste (Brazil) |
| SuDocs | Superintendent of Documents (U.S.) |
| SUDSS | Spatial understanding and decision support system |
| SUGK | Slovak Office of Geodesy and Cartography |
| SUM | Standard update, monoscopic |
| SUNI | Stockholms Universitet Naturgeografiska Institutionen |
| SUNMAP | Dept. of Natural Resources (Queensland) and its earlier names: Dept. of Lands; Division of Information, Dept. of Lands; Dept. of Geographic Information; Dept. of Mapping and Surveying |
| Sur. | Surveyor |
| SUS | Standard update, stereoscopic |
| SV | Space vehicle |
| SVC | Scalable Vector Graphics |
| SVD | Singular Value Decomposition |
| SVF | Simple Vector Format |
| SVG | Scalable Vector Graphics |
| S-VGA | Super Video Graphics Array |
| SVP | Society of Vertebrate Paleontology |
| SW | Software; Southwest; Surface water |
| S/W | Software |
| SWA | Super-wide angle |
| SWAB | Southwest Alluvial Basins (project, NM) |
| SWDC | Southwestern Colorado Data Center |
| SWEMP | Southwest Exotic Plant Mapping program |
| SWG | Standards working group |
| SWIR | Short wave infrared |
| SWMD | Selected World Mineral Deposits |
| S.W.P.A. | Southwest Pacific Area (Allied Forces) |
| SYCI | System Corrected Images |
| SYMAP | Synagraphic Mapping System |
| SzBPK | Staatsbibliothek zu Berlin-Preussischer Kulturbesitz |
| S3 | Satellite Security Systems |
| t | Tonne |
| t. | tief = deep |
| T | Township; photogrammetric elevation (measured with stereo plotter); Tramontana, Tramuntana, Triones = North |
| T. | Tiefe = depth |
| TAC | Terrain Analysis Center (USCE); Technology Accreditation Commission (ABET); Topcon America Corporation |
| TACA | Transportes Aereos Centro Americanos |
| TACAN | Tactical Air Navigation |
| TACC | Texas Advanced Computing Center |
| TAG | Tabular and Graphic (system); Trans-Atlantic Geotraverse |
| TAPS | Tennessee Assn. of Professional Surveyors |
| TAR | Tape address register |
| TARGA | TrueVision Advanced Raster Graphics Adapter |
| TASC | Transportation Administration Service Center (US); The Analytic Sciences Corp. |
| TASMAP | Tasmania Dept. of Lands |
| TAVO | Tubinger Atlas des Vorderen Orients |
| TAZ | Traffic analysis zone |
| TBD | To be determined |
| TBM | Temporary bench mark; Tunnel boring machine |
| TBPLS | Texas Board of Professional Land Surveying |
| TBV | To be verified |
| T.C.H. | Thomas Campanius Holm |
| TCI | Touring Club Italiano |
| TCP/IP | Transmission Control Protocol/Internet Protocol |
| TCT | Trans-continental Traverse (U.S.) |
| TD | Thematic data; Topographic Div. (USGS); Total depth; Topographische dienst (Netherlands) |
| TdA | Teledeteccion Aplicada, S.A. |
| TDC | Tennessee Dept. of Conservation |
| TDD | Telecommunications Device for the Deaf |
| TDM | Tasmania Dept. of Mines |
| TDN | Topografische Dienst Nederland |
| TDOA | Time Difference of Arrival |
| TDR | Time Domain Reflectrometry |
| TDRSS | Tracking and Data Relay Satellite System (US DoD) |
| TDS | Tripod Data Systems |
| TDSA | Tribal designated statistical area |
| TDT | Terrestrial Dynamic Time |
| T.E. | Topographical Engineer |
| TEC | The Engineering Center; Topographic Engineering Center (USCE) |
| TEFIS | Transmission Electrical Facilities Information System (Santee Cooper) |
| TEKPLOT | Tektronix Plotting (DLG software) |
| TELEX | Teletypewriter Exchange |
| TELNET | Telecommunications Network |
| Tenn. | Tennessee |
| TERCOM | Terrain Contour Matching |
| TERSS | Tasmanian Earth Resource Satellite Station |
| TES | Terrain Edit System |
| TESC | Tile enclosed elevator with self-closing traps |
| TESEMPS | Terrain Edit Station/Elevation Matrix Processing System |
| Tex. | Texas |
| TEXPLOT | Tektronix Plotting (DLG software) |
| TFC | Forestry Commission Tasmania |
| TFEL | Thin-film electrolumiscent |
| TFH | Technische Fachhoschule (Berlin) |
| TGO | Trimble Geomatics Office |
| TGS | Technicolor Graphic Services, Inc. |
| T.H. | Triple hydrant; Territory of Hawaii |
| THNOC | The Historic New Orleans Collection |
| THSOA | The Hydrographic Society of America |
| TI | Technical instruction; Technical investigation; Texas Instruments; Topographic instruction |
| TIB | Tabula Imperii Byzantini |
| TIC | Technical Information Center (NASA) |
| .TIF | Tagged Image File |
| TIFF | Tagged Image File Format |
| TIGA | Texas Instruments Graphics Architecture |
| TIGER | Topologically Integrated Geographic Encoding and Referencing |
| TIGRIS | Topologically Integrated Geographic Resource and Information System |
| TIMS | Therms Infrared Multispectral Scanner |
| TIN | Triangulated irregular network |
| TIR | Thermal infrared ; Tabula Imperii Romani |
| TIROS | Television Infrared Observation Satellite
|
| TIRS | Thermal Infrared Scanner |
| TJSA | Tribal jurisdiction statistical area |
| TLI | Terrain Line Interpolation |
| TLID | TIGER/Line Record Identification Number |
| TLM | Telemetry; Topographic Line Map |
| TLSD | Tuvalu Lands and Survey Div. |
| TLUI | Traditional Land Use Inventory (NSB GIS Div.) |
| TLV | Threshold limit value |
| TM | Thematic Mapper (Landsat); Timber management |
| TMAC | Technical Mapping Advisory Council (U.S.) |
| TMC | The Map Collector (journal); Thinking Machines Corp. |
| TMDL | Total maximum daily load |
| TMLS | Ministry of Lands, Survey and Natural Resources (Tonga) |
| TMS | Thematic Mapper Simulator; Topographic Mapping Service (Geomatics Canada); TIGER Mapping Service |
| TN | Tennessee |
| TNP | Transportation Network Profile |
| TNRIS | Texas Natural Resources Information System |
| TNS | TopoNet Server (Maps a la carte, Inc.) |
| T-O | Orbis terrarum (Medieval European map type: Nile and Don rivers and Mediterranean form a "T" surrounded by ocean in the shape of an "O") |
| TOF | Time of flight |
| TOMS | Total Ozone Mapping Spectrometer |
| TOPOCOM | U.S. Army Topographic Command |
| TOPS | Terrestrial Observation and Prediction System |
| TOSCA | The Oxford Seminars in Cartography |
| Tp. | Township |
| TPC | Tactical Pilotage Chart; Traverse PC |
| TPM | Theodolitprufmachine |
| TPS | Thin-plate splines; Topcon Positioning Systems |
| TP&W | Texas Parks and Wildlife |
| TQ | Topographic quadrangle |
| TR | Township and Range (public land survey) |
| TRACE | Topographic Resources and Cost Evaluation (system) |
| Trafo | Transformator |
| TRB | Technical Review Board (U.S.) |
| TRF | Terrestrial Reference Frame |
| Trgf. | Tragfahigkeit = Carrying capacity |
| TRI | Toxic Release Inventory (USEPA) |
| TRMM | Tropical Rainfall Measuring Mission |
| T/RS | Township/Range System |
| TRS | Trimble Reference Station |
| TRSC | Thailand Remote Sensing Center |
| TS | Top secret |
| TSA | Texas Surveyors Association |
| TSARP | Tropical Storm Allison Recovery Project |
| TSC1 | Trimble System Controller |
| TSD | Treatment, storage and disposal sites |
| TSGS | Topographic Section, General Staff (Gt. Brit.) |
| TSI | Teqnical Services Inc. |
| TSIS | Total Solar Irradiance Sensor |
| TSOP | The Society for Organic Petrology |
| TSPS | Texas Society of Professional Surveyors |
| TSS2 | TurboSurvey Software 2 |
| TT | TT Maps & Publications Private Ltd. |
| TTD | Tactical terrain data |
| TTPI | Trust Territory of the Pacific Islands
|
| TTY | Teletype |
| TUG | Triuniversity Group |
| TUNS | Technical University of Nova Scotia |
| TVA | Tennessee Valley Authority |
| T.V.K. & Co | Tanner, Vallance, Kearny & Co.
|
| TVP | Topological vector profile |
| TWA | Time-weighted average |
| Twp. | Township |
| TWRI | Techniques of Water Resources Investigations (USGS) |
| TX | Texas |
| TxDAPA | Texas Digital Aerial Photo Archive
|
| TxDOT | Texas Dept. of Transportation |
| TxMAP | Texas Mapping Project |
DICTIONARY OF ABBREVIATIONS AND ACRONYMS IN GEOGRAPHIC INFORMATION SYSTEMS,
CARTOGRAPHY, AND REMOTE SENSING