Castro Mine
Past ProducerChromiumUSGS MRDS
Location
| State | California |
| County | San Luis Obispo |
| Coordinates | 35.37358, -120.70847 |
Commodities
| Primary | Chromium |
Mine Details
| Status | Past Producer |
| First Production | 1875 |
| Last Production | 1957 |
| Discovery Year | 1876 |
| Data Source | USGS MRDS |
| Source ID | 10048015 |