Massa Hill
Past ProducerGemstoneSurfaceUSGS MRDS
Location
| State | California |
| County | Marin |
| Coordinates | 38.16959, -122.68136 |
Commodities
| Primary | Gemstone |
Mine Details
| Status | Past Producer |
| Type | Surface |
| Data Source | USGS MRDS |
| Source ID | 10115440 |
| State | California |
| County | Marin |
| Coordinates | 38.16959, -122.68136 |
| Primary | Gemstone |
| Status | Past Producer |
| Type | Surface |
| Data Source | USGS MRDS |
| Source ID | 10115440 |