TY  - RPRT
TI  - Land use and land cover and associated maps for Grand Rapids, Michigan
AU  - Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey
PY  - 1978
DO  - 10.3133/ofr78185
UR  - https://pubs.usgs.gov/publication/ofr78185
ID  - ofr78185
ER  -