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