California · Contra Costa County
Occurrence
Longwell Ranch Central, North and South Pits
Contra Costa County, California, United States
Sand and Gravel
Construction
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USGS source ↗
Commodities
Primary
Sand and Gravel, Construction
Commodity type
N
Deposit
Deposit size
N
Materials
Ore minerals
Sand
Economic & production
Development status
Occurrence
Identification
Deposit ID
10029559
MRDS ID
M007182
Region
NA
Data score
C
Coordinates
37.86935, -121.68936
References
CALIF. JOUR. VOL. 47, NO. 4, OCT. 1951, PL. 42 & P. 608; V. 54, NO. 4, OCT. 1958, P. 581, PL.