Diatomite Mines in New Hampshire
14Total Sites
0Active
Diatomite Mining in New Hampshire
New Hampshire has 14 diatomite-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 |
|---|---|
| Carroll County | 4 |
| Cheshire County | 4 |
| Merrimack County | 3 |
| Grafton County | 2 |
| Sullivan County | 1 |
Diatomite Mines
| Mine | County | Type | Status |
|---|---|---|---|
| Archer's Pond Diatomite | Carroll | Prospect | |
| Caldwell Pond Diatomite | Cheshire | Prospect | |
| Chalk Pond Diatomite | Merrimack | Prospect | |
| Dutchman Pond Diatomite | Sullivan | Prospect | |
| East Pond Diatomite | Grafton | Offshore | Past Producer |
| Garland Pond Diatomite | Carroll | Prospect | |
| Lily Pond | Carroll | Prospect | |
| Mud Pond Diatomite | Cheshire | Prospect | |
| Orange Pond Diatomite | Grafton | Offshore | Past Producer |
| Pike Pond Diatomite | Cheshire | Prospect | |
| Pleasant Ponds Diatomite | Merrimack | Prospect | |
| Pleasant Swamp Diatomite | Merrimack | Prospect | |
| Rattlesnake Mtn. Swamp | Carroll | Offshore | Past Producer |
| Rockwood Swamp Diatomite | Cheshire | Offshore | Past Producer |
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