Tunnel Rock
OccurrenceStone, Crushed/BrokenUSGS MRDS
Location
| State | California |
| County | Contra Costa |
| Coordinates | 37.85962, -122.19994 |
Commodities
| Primary | Stone, Crushed/Broken |
Mine Details
| Status | Occurrence |
| Data Source | USGS MRDS |
| Source ID | 10029585 |
| State | California |
| County | Contra Costa |
| Coordinates | 37.85962, -122.19994 |
| Primary | Stone, Crushed/Broken |
| Status | Occurrence |
| Data Source | USGS MRDS |
| Source ID | 10029585 |