Hearst Mine
ProspectUSGS MRDS
Location
| State | California |
| County | Alameda |
| Coordinates | 37.55771, -121.57683 |
Commodities
| Tertiary | Manganese |
Mine Details
| Status | Prospect |
| Discovery Year | 1896 |
| Data Source | USGS MRDS |
| Source ID | 10138116 |
| State | California |
| County | Alameda |
| Coordinates | 37.55771, -121.57683 |
| Tertiary | Manganese |
| Status | Prospect |
| Discovery Year | 1896 |
| Data Source | USGS MRDS |
| Source ID | 10138116 |