TY  - RPRT
TI  - Land use and land cover and associated maps for Portland, Maine, New Hampshire
AU  - Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey
PY  - 1976
DO  - 10.3133/ofr7642
UR  - https://pubs.usgs.gov/publication/ofr7642
ID  - ofr7642
ER  -