Alum
Past ProducerSulfur-Pyrite, Copper, SilverUSGS MRDS
Location
| State | California |
| County | Alameda |
| Coordinates | 37.79657, -122.17937 |
Commodities
| Primary | Sulfur-Pyrite, Copper, Silver |
Mine Details
| Status | Past Producer |
| Data Source | USGS MRDS |
| Source ID | 10076420 |