Black Jack Occurrence
Past ProducerChromiumUSGS MRDS
Location
| State | California |
| County | Trinity |
| Coordinates | 40.41902, -123.22639 |
Commodities
| Primary | Chromium |
Mine Details
| Status | Past Producer |
| First Production | 1917 |
| Last Production | 1917 |
| Data Source | USGS MRDS |
| Source ID | 10043469 |