Mine detail: Keystone

Previously called ''

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Location

Lat / long:

34.69195, -117.11781

Resource(M)

Primary:	Gold
Secondary:	Silver
Tertiary:	Tungsten
Ore:	Gold

Production

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

Geology

Host type:

Metavolcanic Rock

References

MRDS	X024725
DEP	10086497
Reference	{Deposit:: SOUTHERN PACIFIC COMPANY, 1964, MINERALS FOR INDUSTRY, SOUTHERN CALIFORNIA, V. 3, P. 48}{Deposit:: WRIGHT, L.A., AND OTHERS, 1953, MINES AND MINERAL DEPOSITS OF SAN BERNARDINO COUNTY, CALIF., CALIF. JOUR. MINES & GEOLOGY, V. 49, NOS. 1 & 2, P. 75}{Production:: SOUTHERN PACIFIC CO. (1964)}
Reporter	Nelson, Scott C. (Albers, John, P.)