Mines
Mines in Maine
Rare Context lists 10 mines in Maine, United States. The largest is Crooker Mine, with 4 employees in 2025.
All mines
By primary commodity, most mines first, then by employees within each commodity.
| Mine | Commodity | County | Owner or operator | Employees |
|---|---|---|---|---|
| Daigle Quarry | Shale | Aroostook County | Ed Pelletier & Sons Co | — |
| Frenchville Quarry | Shale | Aroostook County | Ed Pelletier & Sons Co | — |
| Oquossoc Shale & Gravel | Shale | Franklin County | Oquossoc Shale & Gravel LLC | — |
| Presque Isle Quarry | Shale | Aroostook County | Ed Pelletier & Sons Co | — |
| Van Buren Quarry | Shale | Aroostook County | Ed Pelletier & Sons Co | — |
| Crooker Mine | Gemstones | Oxford County | Coromoto Minerals LLC | 4 2025 |
| Mount Mica | Gemstones | Oxford County | Coromoto Minerals LLC | 4 2025 |
| Colton Hill | Gemstones | Oxford County | Colton Hill Mining LLC | — |
| Madawaska Plant | Industrial sand | Aroostook County | — | 2 2025 |
| RJF Morin Brick LLC | Refractory clay | Androscoggin County | R J Finlay & Co | 2 2024 |
Every mine in Maine, with owners.All 10 in one file, each with its owner, commodity, resources and permit status. We research what the public sources leave out.
Request the full listData on this page
- MSHA Mines Data Set. MSHA Mines Data Set, Public domain.