Silica Mines in New Hampshire
52Total Sites
0Active
Silica Mining in New Hampshire
New Hampshire has 52 silica-related mine and mineral deposit locations recorded in federal databases. None are currently listed as active, but historical records document past production and geological occurrences. Data comes from the USGS Mineral Resources Data System and MSHA Mine Safety and Health Administration records.
By County
| County | Sites |
|---|---|
| Hillsborough County | 10 |
| Cheshire County | 8 |
| Merrimack County | 8 |
| Rockingham County | 7 |
| Sullivan County | 7 |
| Grafton County | 6 |
| Strafford County | 5 |
| Carroll County | 1 |
Silica Mines
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