Columbus Mine
Past ProducerBoron-BoratesUndergroundUSGS MRDS
Location
| State | California |
| County | Ventura |
| Coordinates | 34.78249, -119.06673 |
Commodities
| Primary | Boron-Borates |
Mine Details
| Status | Past Producer |
| Type | Underground |
| Data Source | USGS MRDS |
| Source ID | 10141567 |