Mary Ann
Past ProducerSilicaUndergroundUSGS MRDS
Location
| State | Montana |
| County | Silver Bow |
| Coordinates | 45.78180, -112.57008 |
Commodities
| Primary | Silica |
Mine Details
| Status | Past Producer |
| Type | Underground |
| Data Source | USGS MRDS |
| Source ID | 10124279 |
| State | Montana |
| County | Silver Bow |
| Coordinates | 45.78180, -112.57008 |
| Primary | Silica |
| Status | Past Producer |
| Type | Underground |
| Data Source | USGS MRDS |
| Source ID | 10124279 |