| Lat / long: | 46.67333, -89.40508 |
| Primary: | Copper |
| Orebody form: | IRREGULAR |
| Operation type: | Underground |
| Deposit type: | Fissure |
| Production size: | Small |
| Development status: | Past Producer |
| First production started: | 1863 |
| Host rock: | Portage Lake Volcanics |
| Host type: | Basalt |
| Structure: | Syncline |
| MRDS | LW00121 |
| DEP | 10310121 |
| Reference | {Deposit:: JOHNSON, A.M. AND GROTH, E.H., 1998, INVENTORY OF UNDERGROUND MINES, ONTONAGON COUNTY, P. 71-72, SITE ID # 660031, MICHIGAN DEPARTMENT OF NATURAL RESOURCES.}{Production:: UNDERGROUND MINE INVENTORY} |
| Reporter | Anderson, Arlene (M. Gere) |