Blue Monday Claim
OccurrenceUSGS MRDS
Location
| State | California |
| County | Napa |
| Coordinates | 38.73048, -122.32686 |
Commodities
| Tertiary | Manganese |
Mine Details
| Status | Occurrence |
| Discovery Year | 1916 |
| Data Source | USGS MRDS |
| Source ID | 10189198 |
| State | California |
| County | Napa |
| Coordinates | 38.73048, -122.32686 |
| Tertiary | Manganese |
| Status | Occurrence |
| Discovery Year | 1916 |
| Data Source | USGS MRDS |
| Source ID | 10189198 |