Arsenic Mines in California
10Total Sites
1Active
Arsenic Mining in California
California has 10 arsenic-related mine and mineral deposit locations recorded in federal databases. Of these, 1 are currently active operations. Data comes from the USGS Mineral Resources Data System and MSHA Mine Safety and Health Administration records.
By County
| County | Sites |
|---|---|
| San Bernardino County | 2 |
| Trinity County | 2 |
| Kern County | 1 |
| Lake County | 1 |
| Monterey County | 1 |
| Riverside County | 1 |
| San Diego County | 1 |
| Siskiyou County | 1 |
Arsenic Mines
| Mine | County | Type | Status |
|---|---|---|---|
| Puertas Negras Mine | San Bernardino | Surface-Underground | Producer |
| Bailey Claim | Trinity | Occurrence | |
| Black Mountain Group | San Diego | Surface-Underground | Past Producer |
| Contact Group | Kern | Underground | Past Producer |
| Riley Ranch Prospect | Monterey | Underground | Prospect |
| Rollin School Deposit | Siskiyou | Occurrence | |
| Shining Star Group | Riverside | Occurrence | |
| Unknown | Lake | Occurrence | |
| Unnamed | Trinity | Occurrence | |
| Unnamed Prospect | San Bernardino | Surface | Prospect |