Colorado · Jefferson County
Producer
Bertrand Quarry
Jefferson County, Colorado, United States
Stone
Crushed/Broken
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USGS source ↗
Commodities
Primary
Stone, Crushed/Broken
Commodity type
N
Deposit
Deposit size
Y
Materials
Ore minerals
Gneiss
Economic & production
Development status
Producer
Production years
1931
Identification
Deposit ID
10108147
MRDS ID
DC01881
Region
NA
Data score
D
Coordinates
39.74777, -105.24864
References
USGS COMMODITY FILE, GR. II, REEL 13, DOC. 2712, 1946CONSV. DIV. COMP. DATE, 3,64