Granite Mines in Maryland
4Total Sites
0Active
Granite Mining in Maryland
Maryland has 4 granite-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 |
|---|---|
| Cecil County | 2 |
| Prince George's County | 2 |
Granite Mines
| Mine | County | Type | Status |
|---|---|---|---|
| Dower House Road Plant | Prince George's | Past Producer | |
| Dower House Road Plant | Prince George's | Processing Plant | Plant |
| Port Deposit Quarry | Cecil | Past Producer | |
| Port Deposit Quarry | Cecil | Surface | Past Producer |