Mine detail: Cumberland Mine

Previously called 'J.R. Group'

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Location

Lat / long:

43.95413, -103.53695

Resource(M)

Primary:	Gold, Silver
Ore:	Gold, Silver

Production

Operation type:	Unknown
Deposit type:	Vein
Production size:	Small
Development status:	Producer
First production started:	1892
Last production ended:	1908

Geology

Host type:	Schist
Tectonic:	Southern Black Hills

References

MRDS	D007195
DEP	10107972
Reference	{Deposit:: U.S. BUREAU OF MINES, 1955, BLACK HILLS MINERAL ATLAS, SOUTH DAKOTA: PART 2, BUREAU OF MINES INFORMATION CIRCULAR 7707}{Production:: U.S. BUREAU OF MINES, 1955, BLACK HILLS MINERAL ATLAS, SOUTH DAKOTA: PART 2, BUREAU OF MINES INFORMATION CIRCULAR 7707.}
Reporter	Barari, Rachel A.