| Lat / long: | 47.9775, -89.57539 |
| Primary: | Copper, Silver |
| Ore: | Chalcopyrite, Bornite, Pyrite, Covellite, Chalcocite |
| Gangue: | Calcite, Barite |
| Operation type: | Underground |
| Development status: | Past Producer |
| Host rock: | Grand Portage diabase dike |
| Host type: | Diabase |
| MAS | 270310020 |
| DEP | 10267733 |
| Reference | GEOLOGY OF COOK COUNTY MINNESOTA GEOL SUR BUL NO |
| Reporter | Weaton, G., Woodruff, L.G. |