JOHNSON, A.M. AND GROTH, E.H., 1998, INVENTORY OF UNDERGROUND MINES, ONTONAGON COUNTY, P. 225-226, SITE ID # 660083, MICHIGAN DEPARTMENT OF NATURAL RESOURCES.
Commodities (Major) - Silver
Deposit Type: Vein
Development Status: Past Producer
Host Rock Unit: Portage Lake Volcanics
Host Rock: Basalt
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Map Reference: 46°48'17"N , 89°34'26"W
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Mineral List:No entries listed.
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