Keyes Mica Mines, No. 3 & 4
ProspectMicaSurfaceUSGS MRDS
Location
| State | New Hampshire |
| County | Grafton |
| Coordinates | 43.69527, -71.94168 |
Commodities
| Primary | Mica |
| Tertiary | Feldspar |
Mine Details
| Status | Prospect |
| Type | Surface |
| Data Source | USGS MRDS |
| Source ID | 10150047 |