TY  - RPRT
TI  - Land use and land cover and associated maps for Thunder Bay, Ontario, Canada; Michigan, Minnesota, U.S.
AU  - Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey
PY  - 1984
DO  - 10.3133/ofr84191
UR  - https://pubs.usgs.gov/publication/ofr84191
ID  - ofr84191
ER  -