Mine detail: Columbia

Previously called 'Spencer Mines'

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Location

Lat / long:

39.9786, -105.58642

Resource(M)

Primary:	Gold
Secondary:	Copper
Tertiary:	Zinc, Lead, Silver

Production

Operation type:	Underground
Development status:	Past Producer

Geology

References

MRDS	DC03300
MAS	80130203
DEP	10287692
Reference	MINE MAP REPO # 404873,407787 REF USGS PROF PAPER 223 PL
Reporter	Melton, Greg, Intermountain Field Operations Center (IFOC)