Trego lead-zinc mine, Grant County, Wis.

Author: Cummings, Alvin M.
Year: 1948
Document Type: BMRA
Issuing Agency: U.S. Dept. of the Interior, Bureau of Mines,
SUDOC: I 28.23:4211
Series: Report of investigations / United States Department of the Interior, Bureau of Mines ;
Report Number: 4211
Subjects: Zinc mines and mining--Wisconsin--Grant County
Lead mines and mining--Wisconsin--Grant County
Link: https://hdl.handle.net/2027/mdp.39015078480632

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