TY  - RPRT
TI  - National Digital Orthophoto Program
AU  - USDA Natural Resources Conservation Service
AU  - Farm Service Agency
AU  - National States Geographic Information Council
AU  - U.S. Forest Service
AU  - Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey
PY  - 1996
DO  - 10.3133/70039554
UR  - https://pubs.usgs.gov/publication/70039554
ID  - 70039554
ER  -