Slate, Dimension Mines in Maine
50Total Sites
1Active
Slate, Dimension Mining in Maine
Maine has 50 slate, dimension-related mine and mineral deposit locations recorded in federal databases. Of these, 1 are currently active operations. Data comes from the USGS Mineral Resources Data System and MSHA Mine Safety and Health Administration records.
By County
| County | Sites |
|---|---|
| Piscataquis County | 46 |
| Waldo County | 2 |
| Penobscot County | 1 |
| Somerset County | 1 |
Slate, Dimension Mines
| Mine | County | Type | Status |
|---|---|---|---|
| Number 5 Mine | Piscataquis | Underground | Producer |
| Big Kineo Quarry | Piscataquis | Surface | Past Producer |
| Blanchard Quarry | Piscataquis | Surface | Past Producer |
| Bonded Quarry | Piscataquis | Surface | Past Producer |
| Boston & Maine Quarry | Piscataquis | Surface | Past Producer |
| Brownville Quarry | Piscataquis | Surface | Past Producer |
| Burma Quarry | Piscataquis | Surface | Past Producer |
| Cement Pit Quarry | Piscataquis | Surface | Past Producer |
| Cora Quarry | Piscataquis | Surface | Past Producer |
| Cove Quarry | Piscataquis | Surface | Past Producer |
| Dirigo Quarry | Piscataquis | Unknown | |
| Eastern Quarry | Piscataquis | Surface | Past Producer |
| Eureka Quarry | Piscataquis | Surface | Past Producer |
| Farm Quarries Nos. 3 & 4 | Piscataquis | Surface | Past Producer |
| Farm Quarry No. 1 | Piscataquis | Surface | Past Producer |
| Farm Quarry No. 2 | Piscataquis | Surface | Past Producer |
| Fernald Quarry | Waldo | Surface | Past Producer |
| Forest Quarry | Piscataquis | Surface | Past Producer |
| General Slate Co. Quarry | Piscataquis | Surface | Past Producer |
| Highland Quarry | Piscataquis | Surface | Past Producer |
| Hillside Quarry | Piscataquis | Surface | Past Producer |
| Imperial Quarry | Piscataquis | Unknown | |
| Leighton Quarry | Piscataquis | Surface | Past Producer |
| Lowell Quarry | Piscataquis | Surface | Past Producer |
| Merrill Quarry | Piscataquis | Surface | Past Producer |
| Monson Pond Quarry | Piscataquis | Surface | Past Producer |
| Monson-Hebron Quarry | Piscataquis | Surface | Past Producer |
| Monson-Maine Quarry | Piscataquis | Surface | Past Producer |
| Moosehead Quarry | Piscataquis | Surface | Past Producer |
| Number 2 Mine | Piscataquis | Underground | Past Producer |
| Oakland Quarry | Piscataquis | Surface | Past Producer |
| Old Slate Quarry | Penobscot | Unknown | |
| Pine Tree Quarry | Piscataquis | Surface | Past Producer |
| Portland Monson Slate Co | Piscataquis | Past Producer | |
| Portland Monson Slate Co | Piscataquis | Past Producer | |
| Portland Monson Slate Co. Mill | Piscataquis | Processing Plant | Plant |
| Slate Quarry | Piscataquis | Surface | Past Producer |
| Slate Quarry | Piscataquis | Surface | Past Producer |
| Slate Quarry | Waldo | Surface | Past Producer |
| Stanchfield Quarry | Piscataquis | Surface | Past Producer |
| Thomas Quarry | Piscataquis | Surface | Past Producer |
| Tunnel Quarry | Somerset | Surface | Past Producer |
| Underground Quarry | Piscataquis | Surface-Underground | Past Producer |
| Unnamed Quarry | Piscataquis | Surface | Past Producer |
| Unnamed Quarry | Piscataquis | Surface | Past Producer |
| Unnamed Quarry | Piscataquis | Surface | Past Producer |
| Unnamed Quarry | Piscataquis | Surface | Past Producer |
| West Monson Quarry | Piscataquis | Surface | Past Producer |
| Wilkens Quarry | Piscataquis | Surface | Past Producer |
| Williams Quarry | Piscataquis | Surface | Past Producer |
All slate, dimension mines nationwide → · All mines in Maine →