Robertson Clay Mine
ProducerMontmorilloniteSurfaceUSGS MRDS
Location
| State | California |
| County | San Bernardino |
| Coordinates | 34.46972, -117.10867 |
Commodities
| Primary | Montmorillonite |
| Tertiary | Clay |
Mine Details
| Status | Producer |
| Type | Surface |
| Data Source | USGS MRDS |
| Source ID | 10213523 |