Mine detail: Keystone Mine

Previously called ''

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Location

Lat / long:

41.16914, -106.2623

Resource(M)

Primary:	Gold
Ore:	Pyrite, Pyrrhotite
Gangue:	Quartz

Production

Operation type:	Unknown
Production size:	Small
Development status:	Past Producer
First production started:	1890
Last production ended:	1893

Geology

References

MRDS	W032110
DEP	10080756
Reference	{Deposit:: GSW BULL 50, P.81}{Deposit:: GSW RI 23, P.28}
Reporter	Barari, Rachel A.