Copper Mines in Maryland
22Total Sites
0Active
Copper Mining in Maryland
Maryland has 22 copper-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.
The earliest recorded copper mine in Maryland is Repp Mine in Frederick County, with records dating to 1907.
By County
| County | Sites |
|---|---|
| Carroll County | 8 |
| Frederick County | 6 |
| Washington County | 4 |
| Baltimore County | 3 |
| Baltimore City County | 1 |
Copper Mines
| Mine | County | Type | Status |
|---|---|---|---|
| (Facility) Cox Creek Refinery | Baltimore City | Processing Plant | Plant |
| Bare Hills Copper Mine | Baltimore | Past Producer | |
| Bare Hills Copper Mine | Baltimore | Surface-Underground | Past Producer |
| Bare Hills Cu Mine | Baltimore | Past Producer | |
| Cox Mt. View Mine/repp Mine | Frederick | Past Producer | |
| Dolly Hyde Mine | Frederick | Past Producer | |
| Liberty Mine | Frederick | Past Producer | |
| Mineral Hill | Carroll | Past Producer | |
| Mineral Hill | Carroll | Past Producer | |
| New London Mine Linganore | Frederick | Past Producer | |
| Patapsco | Carroll | Past Producer | |
| Patapsco | Carroll | Past Producer | |
| Repp Mine | Frederick | Surface-Underground | Past Producer |
| Robert D. Repp Prospect | Carroll | Prospect | |
| Roop Mine | Carroll | Past Producer | |
| South Mountain Prospect | Washington | Prospect | |
| South Mountain Prospect | Frederick | Prospect | |
| South Mountain Prospect | Washington | Prospect | |
| South Mountain Prospect | Washington | Prospect | |
| South Mountain Prospect | Washington | Prospect | |
| Springfield | Carroll | Past Producer | |
| Springfield/carrollnew Burra | Carroll | Past Producer |