Black Hump
Past ProducerUSGS MRDS
Location
| State | Washington |
| County | Mason |
| Coordinates | 47.53039, -123.32626 |
Commodities
| Tertiary | Manganese |
Mine Details
| Status | Past Producer |
| Discovery Year | 1924 |
| Data Source | USGS MRDS |
| Source ID | 10204747 |
| State | Washington |
| County | Mason |
| Coordinates | 47.53039, -123.32626 |
| Tertiary | Manganese |
| Status | Past Producer |
| Discovery Year | 1924 |
| Data Source | USGS MRDS |
| Source ID | 10204747 |