Slate, Dimension Mines
277Total Sites
53Active
Top States
| State | Sites |
|---|---|
| Vermont | 56 |
| New York | 54 |
| Maine | 50 |
| California | 35 |
| Virginia | 24 |
| Pennsylvania | 22 |
| Arkansas | 15 |
| Washington | 5 |
| North Carolina | 4 |
| Massachusetts | 4 |
| New Jersey | 3 |
| Utah | 2 |
| Wisconsin | 1 |
| Michigan | 1 |
| Colorado | 1 |
Notable Sites
| Mine | State | County | Status |
|---|---|---|---|
| A.a. Hadeka Slate Quarry | New York | Washington | Producer |
| Alta Slate Mine | California | El Dorado | Producer |
| Arvonia Quarry | Virginia | Buckingham | Producer |
| Blissville Quarry & Mill | Vermont | Rutland | Producer |
| Cut Slate, Inc. Mill. | Vermont | Rutland | Producer |
| Cut Slate, Incorporated | New York | Washington | Producer |
| Davidson Mine | North Carolina | Davidson | Producer |
| Diamond Slate Quarry | Pennsylvania | Northampton | Producer |
| Doney Slate Quarry | Pennsylvania | Northampton | Producer |
| Eastern Quarry | Vermont | Rutland | Producer |
| Edenboro Quarry | North Carolina | Montgomery | Producer |
| Elvell Quarry | New York | Washington | Producer |
| General Quarry | Vermont | Rutland | Producer |
| Glenwood #2 | Arkansas | Montgomery | Producer |
| Gray Quarry And Mill | Vermont | Rutland | Producer |
| H And H Slate Quarry | Vermont | Rutland | Producer |
| Henry Capozzolo Quarry | Pennsylvania | Northampton | Producer |
| Hilltop Slate Company Quarry | Vermont | Rutland | Producer |
| Hilltop Slate Company, Inc. | New York | Washington | Producer |
| Jackson Bangor Quarry | Pennsylvania | Northampton | Producer |
| John G. Hadeka Slate Quarry | Vermont | Rutland | Producer |
| Jones And Roberts Quarry | Vermont | Rutland | Producer |
| Kehoe Bros. Quarries | Vermont | Rutland | Producer |
| Kifer's Mica Slate Quarry | Washington | Ferry | Producer |
| Lawerence L Zollars | California | Mariposa | Producer |
| Leakesville Mill | Virginia | Pittsylvania | Producer |
| Little Bush Quarry | Vermont | Rutland | Producer |
| Mc Carty Quarry | Vermont | Rutland | Producer |
| Mccullen Quarry No. 2 | New York | Washington | Producer |
| Mineral Hill Slate Co. Quarry | New York | Washington | Producer |
| Negro Hill Deposit | California | Mariposa | Producer |
| No. 11 Quarry | Vermont | Rutland | Producer |
| No. 4 Quarry | Vermont | Rutland | Producer |
| North Bernardston Slate Quarry | Massachusetts | Franklin | Producer |
| Number 5 Mine | Maine | Piscataquis | Producer |
| Number 9 Quarry | Vermont | Rutland | Producer |
| Penrhyn Hill Vein Slate Quarry | New York | Washington | Producer |
| Phillips Quarry | New York | Washington | Producer |
| Pierce County Operations | Wisconsin | Pierce | Producer |
| Placerville Slate Products | California | El Dorado | Producer |
| Poultney Quarry & Mill | Vermont | Rutland | Producer |
| Rainbow Slate Group | California | Riverside | Producer |
| Richmond-arvonia Quarry | Virginia | Buckingham | Producer |
| Sheldon Slate Mine | Vermont | Rutland | Producer |
| Sheldon Slate Quarry | New York | Washington | Producer |
| Stephen Jackson Quarry & Mill | Pennsylvania | Northampton | Producer |
| Stoddard Slate Quarry And Mill | Pennsylvania | Northampton | Producer |
| Taran Brothers Slate Quarry | Vermont | Rutland | Producer |
| Taran Slate Co. Quarry | Vermont | Rutland | Producer |
| Tatko Brothers Slate Company Quarry | Vermont | Rutland | Producer |