| Lat / long: | 38.99559, -77.23162 |
| Primary: | Gold |
| Ore: | Chalcopyrite, Galena, Pyrite, Pyrrhotite |
| Orebody form: | LINEAR |
| Discovery year: | 1860 |
| Operation type: | Unknown |
| Production size: | Yes |
| Development status: | Past Producer |
| First production started: | 1868 |
| Host rock: | Mica Schist, Wissahickon Formation |
| Host type: | Mica Schist |
| Structure: | Reg.Trends: Northeast-Southwest, Both Schist And Quartz Traversed By Joints |
| Tectonic: | Appalachian Foldbelt |
| MRDS | W000905 |
| DEP | 10068001 |
| Reference | {Deposit:: REED, J.C.JR. AND REED, J.C., 1969, USGS BULL. 1286, PP. 4-9}{Deposit:: PEARRE, N.C., 1961, MAP MR-12}{Deposit:: WEED, W.H., 1905, USGS BULL. 260, PP. 128-131}{Deposit:: INGALLS, E.T., 1960, THE DISCOVERY OF GOLD AT GREAT FALLS, MD., PRIVATELY PRINTED , 18 PP}{Deposit:: 1904 GEOCHEM E.T. ALLEN, ASSAY 4.25 OZ AU, 0.36 OZ AG/TO}{Production:: REED AND REED REF}{Reserve-Resource:: REED AND REED REF.} |
| Reporter | Wright, Nancy A. |