Please wait.
loading...
ISLE ROYALE, HURON, GRAND PORTAGE, CHALLENGE, WINONA, KING PHILLIP, WYANDOT & SUPERIOR MINE FATALITIES PROJECT The Isle Royale Mine consisted of over 3500 acres of land just south of Houghton, comprised of the Old Grand Portage, Huron, Frue, Dodge, and Montezuma mines. The mine consisted of six shafts, a centralized surface plant, a short line railroad, a stamp mill, a pumping station, and a...