| Lat / long: | 47.91667, -89.0334 |
| Primary: | Copper |
| Ore: | Copper |
| Orebody form: | CONGLOMERATE LODE |
| Discovery year: | 1872 |
| Operation type: | Underground |
| Production size: | Small |
| Development status: | Past Producer |
| First production started: | 1872 |
| Last production ended: | 1877 |
| Host rock: | Portage Lake Volcanics |
| Host type: | Conglomerate |
| Structure: | Syncline, Copper-bearing interflow conglomerate associated with basalt flows |
| MRDS | W060080 |
| DEP | 10082642 |
| Reference | {Deposit:: LANE, A.C., 1898, UPPER PENINSULA, ISLE ROYALE: GEOLOGICAL SURVEY OF MICHIGAN, V. 6, PT.1, 281 PP.}{Deposit:: HUBER, N.K., 1973, GEOLOGIC MAP OF ISLE ROYALE NATIONAL PARK, KEWEENAW COUNTY, MICHIGAN: USGS MISC. GEOL. INVEST., MAP I-796, SCALE 1:62500}{Deposit:: JOHNSON, A.M. AND GROTH, E.H., 1998, INVENTORY OF UNDERGROUND MINES, KEWEENAW COUNTY, P. 149 , SITE ID # 420045, MICHIGAN DEPARTMENT OF NATURAL RESOURCES.}{Production:: LANE, 1898} |
| Reporter | Mason Jr., G.T., Anderson, Arlene (M. Gere), Nicholson, Suzanne, Sutphin, D.M. |