Alvarnez
Past ProducerPumiceSurfaceUSGS MRDS
Location
| State | California |
| County | Contra Costa |
| Coordinates | 38.01930, -121.96044 |
Commodities
| Primary | Pumice |
Mine Details
| Status | Past Producer |
| Type | Surface |
| Data Source | USGS MRDS |
| Source ID | 10210998 |
| State | California |
| County | Contra Costa |
| Coordinates | 38.01930, -121.96044 |
| Primary | Pumice |
| Status | Past Producer |
| Type | Surface |
| Data Source | USGS MRDS |
| Source ID | 10210998 |