Mine detail: Keystone

Previously called ''

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Location

Lat / long:

39.98919, -105.36729

Resource(M)

Primary:	Gold
Tertiary:	Silver

Production

Operation type:	Underground
Development status:	Past Producer

Geology

References

MRDS	DC03912
MAS	80130449
DEP	10141306
Reference	REF. USGS PROF PAPER # 223 P 229 & PLATE 22.
Reporter	Intermountain Field Operations Center (IFOC)