| Lat / long: | 48.08389, -88.7245 |
| Primary: | Copper |
| Ore: | Copper |
| Orebody form: | FISSURE |
| Discovery year: | 1871 |
| Operation type: | Surface |
| Production size: | Small |
| Development status: | Past Producer |
| First production started: | 1875 |
| Last production ended: | 1883 |
| Host rock: | Portage Lake Volcanics |
| Host type: | Rhyolite |
| Structure: | Fissure in brecciated rhyolite overlying Minong basalt flow |
| MRDS | W060079 |
| DEP | 10082641 |
| Reference | {Deposit:: Lane, A.C., 1898, Upper Peninsula, Isle Royale: Geological Survey of Michigan, v. 6, part 1, 28 p.}{Deposit:: Huber, N.K., 1973, Geological map of Isle Royale National Park, Keweenaw County, Michigan: U.S. Geological Survey Miscellaneous Geological Investigations Map I-796, scale 1:62500.}{Production:: LANE, 1898} |
| Reporter | Nicholson, Suzanne, Sutphin, D.M., Mason Jr., G.T. |