Commodities
PrimaryGold, Silver
Commodity typeM
Deposit
Deposit typeVein
Deposit sizeS
WorkingsSurface/Underground
Geology
Host rockSchist
Tectonic settingSouthern Black Hills
Economic & production
Development statusProducer
First production1892
Last production1908
Identification
Deposit ID10107972
MRDS IDD007195
Alternate namesJ.R. Group
RegionNA
Data scoreC
Coordinates43.95413, -103.53695
References
U.S. BUREAU OF MINES, 1955, BLACK HILLS MINERAL ATLAS, SOUTH DAKOTA: PART 2, BUREAU OF MINES INFORMATION CIRCULAR 7707U.S. BUREAU OF MINES, 1955, BLACK HILLS MINERAL ATLAS, SOUTH DAKOTA: PART 2, BUREAU OF MINES INFORMATION CIRCULAR 7707.