Porcupine Ridge
Past ProducerStoneUSGS MRDS
Location
| State | Montana |
| County | Gallatin |
| Coordinates | 45.21102, -111.24139 |
Commodities
| Primary | Stone |
Mine Details
| Status | Past Producer |
| Data Source | USGS MRDS |
| Source ID | 10019142 |
| State | Montana |
| County | Gallatin |
| Coordinates | 45.21102, -111.24139 |
| Primary | Stone |
| Status | Past Producer |
| Data Source | USGS MRDS |
| Source ID | 10019142 |