Located on the west slope of Custer Peak, it is part of the Ninemile Creek group of mines.
Ref.: Geology and Ore Deposits of Shoshone County, Idaho; Joseph B. Umpleby & E. L. Jones, Jr, 1923; Rocks & Min. 70:262.
Mineral List:15 entries listed. 14 valid minerals. 1 type locality (valid mineral).
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