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Michigan Mine, Rockland, Ontonagon Co., Michigan, USA

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Latitude & Longitude (WGS84): 46° 44' North , 89° 11' West
Latitude & Longitude (decimal): 46.7333333333, -89.1833333333
Other regions containing this locality:Keweenaw Peninsula, Michigan, USA

An underground copper mine consisting of five shafts near Rockland, MI. The Michigan Mining Co. was organized in 1899 and consisted of property formerly owned by Minesota, Rockland, and Superior Mining Co's. Michigan discontinued work on the company budget in 1910 and leased it on tribute until 1920 when the mine closed for good. The company was consolidated with the Mohawk Mining Co. in 1923. Between 1900 and 1920, the company produced approx. 21.2 million lbs. of refined copper. of the five Michigan shafts, only Michigan E-Shaft is worth visiting. It has been known for producing nice copper and silver.

Mineral List

11 valid minerals.

The above list contains all mineral locality references listed on This does not claim to be a complete list. If you know of more minerals from this site, please register so you can add to our database. This locality information is for reference purposes only. You should never attempt to visit any sites listed in without first ensuring that you have the permission of the land and/or mineral rights holders for access and that you are aware of all safety precautions necessary.


Rocks & Minerals: 58:112 & 65:240

Butler, B.S., and Burbank, W.S., 1929, The Copper Deposits of Michigan. U.S. Geological Survey. Professional Paper 144. 238 pp.

The Copper Country Rock & Mineral Club, 2001, Red Gold and Tarnished Silver, 2nd Ed., 44 pp.

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