mindat.org
Mindat.org
https://www.mindat.org › loc-122815.html
mindat.org
Mindat.org
https://www.mindat.org › loc-122815.html
wisconsinhistory.org
Wisconsin Historical Society
https://www.wisconsinhistory.org › Records › Article › CS410
mindat.org
Mindat.org
https://www.mindat.org › loc-22542.html
thediggings.com
The Diggings
https://thediggings.com › mines › usgs10229851
mindat.org
Mindat.org
https://www.mindat.org › loc-262737.html
worldmap1.com
wisconsinhistory.org
Wisconsin Historical Society
https://www.wisconsinhistory.org › Records › Article › CS9014
mapcarta.com
Mapcarta
https://mapcarta.com › 22860776
dnr.wisconsin.gov
Wisconsin Department of Natural Resources (DNR)
https://dnr.wisconsin.gov › topic › Mines › FerrousProjects.html
mapcarta.com
Mapcarta
https://mapcarta.com › 22860774
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