| Lat / long: | 46.79583, -89.62426 |
| Primary: | Copper |
| Ore: | Copper |
| Orebody form: | IRREGULAR |
| Operation type: | Underground |
| Production size: | Unknown |
| Development status: | Past Producer |
| First production started: | 1846 |
| Last production ended: | 1907 |
| Host rock: | Portage Lake Volcanics |
| Host type: | Basalt |
| Structure: | Syncline |
| MRDS | LW00144 |
| DEP | 10310144 |
| Reference | JOHNSON, A.M. AND GROTH, E.H., 1998, INVENTORY OF UNDERGROUND MINES, ONTONAGON COUNTY, P. 239-241, SITE ID # 660086, MICHIGAN DEPARTMENT OF NATURAL RESOURCES. |
| Reporter | Anderson, Arlene (M. Gere) |