TY  - RPRT
TI  - Land use and land cover digital data from 1:250,000- and 1:100,000- scale maps
AU  - Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey
PY  - 1990
DO  - 10.3133/70038386
UR  - https://pubs.usgs.gov/publication/70038386
ID  - 70038386
ER  -