George Porter Mine
Past ProducerFeldsparSurfaceUSGS MRDS
Location
| State | New Hampshire |
| County | Cheshire |
| Coordinates | 43.13247, -72.33340 |
Commodities
| Primary | Feldspar |
| Tertiary | Mica |
Mine Details
| Status | Past Producer |
| Type | Surface |
| Data Source | USGS MRDS |
| Source ID | 10247400 |