Columbus Mine (Sir Roderik Dhu), Lead District, Lawrence Co., South Dakota, USA
US BUREAU OF MINES, 1954 , BLACK HILLS MINERAL ATLAS, SOUTH DAKOTA: PART I, BUREAU OF MINES INFORMATION CIRCULAR 7688,P.8
Commodities (Major) - Silver, Gold
Deposit Type: Replacement
Development Status: Past Producer
Host Rock Unit: Deadwood Formation
5 entries listed. 4 valid minerals.
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Emmons and Becker (1885) Statistics and Technology of the precious Metals. Census reports Tenth census. June 1, 1880, Volume 13 By United States. Census office. 10th census, 1880, United States. Census Office
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