California · Contra Costa County
Past Producer
Longwell Ranch
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
Economic & production
Development status
Past Producer
Identification
Deposit ID
10278214
Region
NA
Data score
D
Coordinates
37.86931, -121.68933
References
CALIF. JOUR. V. 47, NO.4, OCT. 1951, PL.42, P.608; V.54, NO1958, P.581, PL. 5.