Cummings
Past ProducerSurface-UndergroundUSGS MRDS
Location
| State | California |
| County | San Joaquin |
| Coordinates | 37.58631, -121.48382 |
Commodities
| Tertiary | Silica, Manganese |
Mine Details
| Status | Past Producer |
| Type | Surface-Underground |
| First Production | 1914 |
| Data Source | USGS MRDS |
| Source ID | 10262735 |