TY  - RPRT
TI  - Land use and land cover and associated maps for Tucson, Ariz.
AU  - Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey
PY  - 1976
DO  - 10.3133/ofr76122
UR  - https://pubs.usgs.gov/publication/ofr76122
ID  - ofr76122
ER  -