Hillsborough County, NH Silica Mines
Silica Mines in Hillsborough County, NH
| Mine | Owner | Land Status | Work Type | Minerals |
|---|---|---|---|---|
| Harry Brook Quartz Prospect | Private | Silica | ||
| Kendall Ledge Quartz | Private | Silica | ||
| Ledge Hill Quartz | Private | Silica | ||
| Merrimack Foundry Sand Prospect | Private | Silica | ||
| Mitchell Hill Quartz | Private | Silica | ||
| Purgatory Quartz Prospect | Private | Silica | ||
| Riverdale Quartz | Private | Silica | ||
| South Lyndeborough Quartz | Private | Silica | ||
| South Lyndeborough Silica Mine | Private | Silica | ||
| Stinson Quartz Prospect | Private | Silica |