Silica, Sand and Gravel, Construction Mines in California
4Total Sites
0Active
Silica, Sand and Gravel, Construction Mining in California
California has 4 silica, sand and gravel, construction-related mine and mineral deposit locations recorded in federal databases. None are currently listed as active, but historical records document past production and geological occurrences. Data comes from the USGS Mineral Resources Data System and MSHA Mine Safety and Health Administration records.
By County
| County | Sites |
|---|---|
| Contra Costa County | 4 |
Silica, Sand and Gravel, Construction Mines
| Mine | County | Type | Status |
|---|---|---|---|
| Silica Co. of Calif. | Contra Costa | Past Producer | |
| Silica Co. of California | Contra Costa | Past Producer | |
| Silica Company of Calif. | Contra Costa | Past Producer | |
| Unnamed Location | Contra Costa | Past Producer |
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