| Lat / long: | 47.43806, -87.89253 |
| Primary: | Copper |
| Ore: | Copper |
| Orebody form: | IRREGULAR |
| Operation type: | Underground |
| Deposit type: | Fissure Copper Veins |
| Production size: | Unknown |
| Development status: | Past Producer |
| First production started: | 1852 |
| Host rock: | Portage Lake Volcanics |
| Host type: | Basalt |
| Structure: | Syncline |
| MRDS | LW00096 |
| DEP | 10310096 |
| Reference | JOHNSON, A.M. AND GROTH, E.H., 1998, INVENTORY OF UNDERGROUND MINES, KEWEENAW COUNTY, P. 135-136, SITE ID # 420037, MICHIGAN DEPARTMENT OF NATURAL RESOURCES. |
| Reporter | Anderson, Arlene (M. Gere) |