| Lat / long: | 47.14917, -88.52922 |
| Primary: | Copper |
| Ore: | Copper |
| Orebody form: | AMYGDALOID LODE |
| Discovery year: | 1898 |
| Operation type: | Underground |
| Production size: | Small |
| Development status: | Past Producer |
| First production started: | 1863 |
| Last production ended: | 1902 |
| Host rock: | Portage Lake Volcanics |
| Host type: | Basalt |
| Structure: | Syncline, Amygdaloidal basalt flow top |
| MRDS | W060072 |
| DEP | 10082634 |
| Reference | {Deposit:: BUTLER, B.S., AND BURBANK, W.S., 1929, THE COPPER DEPOSITS OF MICHIGAN: USGS PROF PAPER NO. 144, 238 PP.}{Deposit:: CORNWALL, H.R., AND WRIGHT, J.C., 1956, GEOLOGIC MAP OF THE HANCOCK QUADRANGLE, MICHIGAN: USGS MAP MF-46, SCALE 1:24000}{Deposit:: JOHNSON, A.M. AND GROTH, E.H., 1998, INVENTORY OF UNDERGROUND MINES, HOUGHTON COUNTY, SITE ID 310019, MICHIGAN DEPARTMENT OF NATURAL RESOURCES.}{Production:: BULTER AND BURBANK, 1929} |
| Reporter | Nicholson, Suzanne, Sutphin, D.M., Mason Jr., G.T., Anderson, Arlene (M. Gere) |