Mine detail: J. R. Extension

Previously called 'Aberdeen Gold Mining & Milling Company'

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Location

Lat / long:

43.94857, -103.51862

Resource(M)

Primary:	Silver, Gold
Ore:	Gold, Silver
Gangue:	Quartz

Production

Operation type:	Unknown
Deposit type:	Vein
Production size:	Small
Development status:	Past Producer

Geology

Host rock:	Schist & Quartzite
Host type:	Quartzite,Schist

References

MRDS	SD02134
DEP	10055555
Reference	US BUREAU OF MINES, 1955 , BLACK HILLS MINERAL ATLAS, SOUTH DAKOTA: PART 2 , BUREAU OF MINES INFORMATION CIRCULAR 7707
Reporter	Barari, Rachel A.