Adventure mine

The Adventure Mine is a copper mine in Greenland Township, near Greenland, Michigan in Ontonagon County, Michigan[1] that operated from 1850 to 1920.[2] The mine has five shafts. It is open for tours from late May to mid-October, under the operation of the Adventure Mining Company.

History

1850 to 1920

In 1850, the Adventure Mining Company (unrelated to present company) was formed and operated a mine until 1862. In 1863, it was purchased by Thomas Mason and named the Adventure Copper Company. Starting in 1898, the property was operated by the Adventure Consolidated Copper Company. Production ceased in 1908 due to low copper prices, but restarted for a short time during World War I. Production finally halted in 1917 and the mine closed in 1920.[2]

1970 to present

Beginning in the 1970s, tours have been available on and off. Jack and Margaret Neph purchased the mine in 1972 and offered tours from 1973 through the mid-1980s. Their son John, along with his wife Winnie, offered tours from the late 1990s until 2003. The current owners, the modern Adventure Mining Company owned by Matthew and Victoria Portfleet, purchased the mine in 2004 and have operated tours since 2005.[3]

Since 2009, an annual bike race called Miner's Revenge has been held whose course runs both within the mine and above ground.[4][5]

See also

References
  1. "Directions". Adventure Mining Company. Archived from the original on 3 June 2011. Retrieved 30 May 2011.
  2. "History". Adventure Mining Company. Archived from the original on 7 June 2011. Retrieved 30 May 2011.
  3. "Recent History". Adventure Mining Company. Archived from the original on 10 September 2011. Retrieved 30 May 2011.
  4. "Michigan bike race goes underground - into mine". Associated Press. May 5, 2009. Archived from the original on February 5, 2013. Retrieved July 14, 2012.
  5. "Miner's Revenge mountain bike race again a big hit in Ontonagon". Upper Michigan's Source. July 10, 2011. Archived from the original on February 5, 2013. Retrieved July 14, 2012.
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