Black Raven Group
UnknownUSGS MRDS
Location
| State | California |
| County | Butte |
| Coordinates | 39.55818, -121.17744 |
Commodities
| Tertiary | Manganese |
Mine Details
| Status | Unknown |
| Discovery Year | 1942 |
| Data Source | USGS MRDS |
| Source ID | 10260210 |
| State | California |
| County | Butte |
| Coordinates | 39.55818, -121.17744 |
| Tertiary | Manganese |
| Status | Unknown |
| Discovery Year | 1942 |
| Data Source | USGS MRDS |
| Source ID | 10260210 |