Mine detail: Columbia

Previously called ''

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Location

Lat / long:

39.75027, -105.54892

Resource(M)

Primary:	Gold
Tertiary:	Silver

Production

Operation type:	Underground
Development status:	Past Producer

Geology

References

MAS	80470114
DEP	10118376
Reference	MINE MAP REPO # 406835 REF: USGS PROF PAPER 223 PLATE 3
Reporter	Melton, Greg, Intermountain Field Operations Center (IFOC)