- A Gap analysis of Florida June 2001 final report.
- A Gap Analysis of Kentucky July 2003 final report.
- A Gap analysis of Mississippi November 2003 final report /
- A Gap analysis of Oklahoma June 2001 final report /
- A Gap analysis of South Dakota June 2002 final report.
- Conterminous U.S. land cover characteristics data set 1990 prototype
- Land cover data for central Nebraska, 1991