| Lat / long: | 39.41863, -77.25998 |
| Tertiary: | Copper, Gold, Silver |
| Other material: | Barite, Bornite, Calcite, Chalcocite, Cuprite, Gold, Malachite, Pyrite, Quartz, Silver |
| Discovery year: | 1835 |
| Operation type: | Underground |
| Development status: | Past Producer |
| First production started: | 1837 |
| MRDS | W017507 |
| MAS | 240210015 |
| DEP | 10194524 |
| Reference | {Deposit:: HEYL, A. V. AND N. C. PEARRE. COPPER, ZINC, LEAD, IRON, COBA}{Deposit:: BARITE DEPOSITS IN THE PIEDMONT UPLAND OF MARYLAND. MARYLAND}{Deposit:: SURVEY BULL. 28, 1965, PP. 7, 9, 29-34, 65} |
| Reporter | Brocoum, A. |