Precious- and base-metal mineralization in the west-central Vermilion district, portions of St. Louis, Lake, and Cook counties, northeastern Minnesota / by ..., John B. McHugh and E. C. Perry
- Washington : U. S. Govt. Print. Off., 1992
- 37 p. : maps (in pocket)
- United States. Geological Survey. Bulletin ; no. 1984 .
"Fieldwork done in cooperation with the Minnesota Geological Survey"
Precious metals--Minnesota--Vermilion Region Ore deposits--Minnesota--Vermilion Region Mines and mineral resources--Minnesota--Vermilion Region Geology--Minnesota--Vermilion Region