Latitude: 47°25'30"N
Longitude: 88°1'0"W
An underground copper mine consisting of one shaft located near Mandan. The Medora Mining Company was organized in 1848 east of Mandan. Not much else is known of the mine other than it operated until about 1866 when it closed due to monetary issues. The mine is easily accessible and many minerals can be found on the pile, including copper, silver, pumpellyite, and prehnite.
References
Rocks & Min.: 58:111.
DeGood, L., 2011, Michigan Copper Mining Stocks and Bonds. 401 pp.
Kaminski-Hamka, T., 2011, The Copper Mines of Keweenaw County, Michigan. Copperlady Press, 150 pp.
The Copper Country Rock & Mineral Club, 2001, Red Gold and Tarnished Silver, 2nd Ed.
Mineral List
18 entries listed. 13 valid minerals. 1 erroneous literature entry.
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