Mark Twain Prospect
OccurrenceSurfaceUSGS MRDS
Location
| State | Washington |
| County | Clallam |
| Coordinates | 48.01919, -123.64438 |
Commodities
| Tertiary | Manganese |
Mine Details
| Status | Occurrence |
| Type | Surface |
| Discovery Year | 1958 |
| Data Source | USGS MRDS |
| Source ID | 10131137 |