TY  - RPRT
TI  - Land use and land cover and associated maps for El Centro, California; Arizona
AU  - Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey
PY  - 1979
DO  - 10.3133/ofr791175
UR  - https://pubs.usgs.gov/publication/ofr791175
ID  - ofr791175
ER  -