TY  - RPRT
TI  - Land use and land cover adn associated maps for Alpena, Michigan, U.S.; Ontario, Canada
AU  - Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey
PY  - 1985
DO  - 10.3133/ofr8427
UR  - https://pubs.usgs.gov/publication/ofr8427
ID  - ofr8427
ER  -