| Lat / long: | 48.1, -88.56672 |
| Primary: | Copper |
| Ore: | Copper |
| Orebody form: | FISSURE |
| Operation type: | Underground |
| Production size: | Small |
| Development status: | Past Producer |
| First production started: | 1847 |
| Last production ended: | 1855 |
| Host rock: | Portage Lake Volcanics |
| Host type: | Basalt |
| Structure: | Syncline, Fissure cross-cutting basalt flows |
| MRDS | W060082 |
| DEP | 10082644 |
| Reference | {Deposit:: LANE, A.C., 1898, UPPER PENINSULA, ISLE ROYALE: GEOLOGICAL SURVEY OF MICHIGAN, V. 6. PT. 1, 281 P.}{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. 239, SITE ID # 420082, MICHIGAN DEPARTMENT OF NATURAL RESOURCES.}{Production:: LANE, 1898} |
| Reporter | Nicholson, Suzanne, Sutphin, D.M., Mason Jr., G.T., Anderson, Arlene (M. Gere) |