National geophysical data grids gamma-ray, gravity, magnetic, and topographic data for the conterminous United States /
Creator: Phillips, Jeffrey D.
Creator: Duval, Joseph S.
Creator: Ambroziak, Russell A.
Creator: Geological Survey (U.S.)
Publisher: [Reston, Va.] : U.S. Dept. of the Interior, U.S. Geological Survey ; Denver, Colo. : For sale by USGS Map Distribution,
LCC: QC808.6 .P455 compu/d
Description: A package including gridded gamma-ray, gravity, magnetic, and topographic data for the conterminous United States with display software that allows the user to view data in image format and to overlay geology and state and county boundaries and U.S. Geological Survey software for analyzing and processing potential-field
Description: System requirements: IBM PC or compatible; 640K RAM; MS- or PC-DOS 5.0 or later; Microsoft MSCDEX 2.1 or later; CD-ROM drive with ISO 9660 software driver; hard disk drive; Super VGA color graphics system; math coprocessor.
Subject: Geophysics United States Databases.