You are hereHome › Painesdale Mine and Shaft › Copper Range Company records › Maps and Plans › Isle Royale Mine and Mill › Isle Royale Mine Horizontal Plans Search this Collection Select Collection All collectionsThis collection Search box Two longitudinal sections of the Isle Royale and Huron Mines. Grid view List view Isle Royale Mine Horizontal Plan, 1941 Isle Royale Mine Horizontal Plan, Circa 1940
