Graham Prospect
OccurrenceUSGS MRDS
Location
| State | California |
| County | Mendocino |
| Coordinates | 39.58066, -123.41330 |
Commodities
| Tertiary | Manganese |
Mine Details
| Status | Occurrence |
| Discovery Year | 1942 |
| Data Source | USGS MRDS |
| Source ID | 10116319 |
| State | California |
| County | Mendocino |
| Coordinates | 39.58066, -123.41330 |
| Tertiary | Manganese |
| Status | Occurrence |
| Discovery Year | 1942 |
| Data Source | USGS MRDS |
| Source ID | 10116319 |