Hoyt Hill Mica Mine
Past ProducerMicaSurfaceUSGS MRDS
Location
| State | New Hampshire |
| County | Grafton |
| Coordinates | 43.63527, -71.94778 |
Commodities
| Primary | Mica |
| Tertiary | Feldspar |
Mine Details
| Status | Past Producer |
| Type | Surface |
| Data Source | USGS MRDS |
| Source ID | 10174453 |