Lat / long: | 46.4758, -87.66502 |
Tertiary: | Iron |
Operation type: | Underground |
Development status: | Past Producer |
First production started: | 1864 |
MAS | 261030055 |
DEP | 10219215 |
Reference | {Deposit:: LAKE SUPERIOR IRON ORES, MINING DIRECTORY AND STATISTICAL RE}{Deposit:: PUBLISHED BY THE LAKE SUPERIOR IRON ORE ASSOCIATION, 1952, P} |
Reporter | Eastern Field Operations Center (EFOC) |