Colorado · Boulder County
Occurrence
Big John Mine
Boulder County, Colorado, United States
Gold
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USGS source ↗
Commodities
Primary
Gold
Commodity type
M
Deposit
Deposit size
N
Materials
Ore minerals
Gold
Economic & production
Development status
Occurrence
Identification
Deposit ID
10017393
MRDS ID
DC03407
Region
NA
Data score
D
Coordinates
40.01555, -105.39476
References
LANGENHEIM, 1947, CU MS THESIS, PG. 37BLM COLO CONNECTING SHEETSCONSV. DIV. COMP. DATE, 1,62