California · Contra Costa County
Past Producer

Basalt Rock Co.

Contra Costa County, California, United States
Sand and GravelConstruction
⌖ Show on mapUSGS source ↗
Commodities
PrimarySand and Gravel, Construction
Commodity typeN
Economic & production
Development statusPast Producer
Identification
Deposit ID10138259
RegionNA
Data scoreD
Coordinates38.0152, -121.79354
References
CALIF. JOUR. V. 47, NO.4, OCT. 1951, P.580; V. 54, NO.4, P.