Category:History of mining in Utah
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Media in category "History of mining in Utah"
The following 4 files are in this category, out of 4 total.
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Bulletin (1910) (14578154508).jpg 1,714 × 2,600; 681 KB
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Niagara Mining and Smelting Co. 1891.jpg 3,939 × 2,757; 3.54 MB
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Ontario Silver Mine geologic map.jpg 1,847 × 898; 547 KB