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Name County Years Material Coordinates Adventure mine: Ontonagon: 1850–1920: copper: Alabastine Mine: Kent: 1907– gypsum: Arcadian mine: Houghton: 1898–1908: copper
Gratiot Copper mine - Gratiot location, Keweenaw County; Dana mine - Central; Datolite mine - Isle Royale, Keweenaw County; Delaware mine - the abandoned town of Delaware, Keweenaw County, twelve miles south of Copper Harbor Delaware Fissure mine; Dover mine - Dover location; Dorchester Mining Company mine - Houghton County
Millie Hill bat cave (also known as Millie Mine bat cave) is an abandoned iron mine in Iron Mountain, Michigan that is now one of the largest bat breeding colonies in North America. [ 1 ] [ 2 ] [ 3 ] The vertical mine shaft is blocked by a steel grate, which prevents entry by humans but allows bats to enter and exit freely. [ 4 ]
The Nonesuch Mine is an abandoned copper mine and small ghost town in the southeast corner of the Porcupine Mountains State Park in Carp Lake Township, Ontonagon County, near Silver City, Michigan, United States. The area was given its name soon after Ed Less discovered the Nonesuch vein of copper on the Little Iron River in 1865. [1]
Old mines pose myriad dangers, with 381 people killed and 152 injured at abandoned mine sites nationwide between 2000 and 2013, according to the U.S. Bureau of Land Management. Victims can fall into hidden shafts, get lost in underground tunnels or perish from poisonous gases present in many old coal mines.
The Green Tree facility provides and stores, digitally and in microfilm (aperture cards), [4] over 182,000 maps of abandoned mines. This repository contains maps of mine workings from the 1790s to the present day. [5] It serves as a point of reference for mine maps and other information for both surface and underground mines throughout the ...
The city has a strong mining background. For premium support please call: 800-290-4726 more ways to reach us
For premium support please call: 800-290-4726 more ways to reach us