California Quarry
Past ProducerFeldsparUSGS MRDS
Location
| State | Colorado |
| County | Douglas |
| Coordinates | 39.31722, -105.07918 |
Commodities
| Primary | Feldspar |
| Secondary | REE, Niobium (Columbium) |
Mine Details
| Status | Past Producer |
| Data Source | USGS MRDS |
| Source ID | 10087844 |