Longwell Ranch
Past ProducerSand and Gravel, ConstructionSurfaceUSGS MRDS
Location
| State | California |
| County | Contra Costa |
| Coordinates | 37.86931, -121.68933 |
Commodities
| Primary | Sand and Gravel, Construction |
Mine Details
| Status | Past Producer |
| Type | Surface |
| Data Source | USGS MRDS |
| Source ID | 10278214 |