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TitleDateType
1 Flotation Mill (Midvale), 1926 [HAER UT-67- 7]1926-01-02Image
2 Flotation Mill (United States Smelting Refining and Mining Co.) [HAER UT-67-10]Image
3 United States Smelting Refining and Mining Co. [HAER UT-67-16]Image
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