TY  - RPRT
TI  - Aeromagnetic map of central Pine County, Minnesota, and adjacent parts of Wisconsin
AU  - Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey
PY  - 1968
DO  - 10.3133/gp636
UR  - https://pubs.usgs.gov/publication/gp636
ID  - gp636
ER  -