Black Jack
Past ProducerUndergroundUSGS MRDS
Location
| State | California |
| County | Alameda |
| Coordinates | 37.58931, -121.61243 |
Commodities
| Tertiary | Manganese, Silica |
Mine Details
| Status | Past Producer |
| Type | Underground |
| First Production | 1885 |
| Discovery Year | 1884 |
| Data Source | USGS MRDS |
| Source ID | 10211101 |