Dubuque lead-zinc district, Iowa

Author: Lincoln, Francis C.
Year: 1948
Document Type: BMRA
Issuing Agency: U.S. Dept. of the Interior, Bureau of Mines,
SUDOC: I 28.23:4212
Series: Report of investigations / United States Department of the Interior, Bureau of Mines ;
Report Number: 4212
Subject: Lead mines and mining--Iowa
Link: https://hdl.handle.net/2027/mdp.39015078480764

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