Clark Extension Prospect
Past ProducerSemiprecious GemstoneSurfaceUSGS MRDS
Location
| State | California |
| County | San Diego |
| Coordinates | 33.25785, -116.93865 |
Commodities
| Primary | Semiprecious Gemstone |
Mine Details
| Status | Past Producer |
| Type | Surface |
| Data Source | USGS MRDS |
| Source ID | 10286855 |