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Number of results to display per page
TitleDateType
1 Mammoth Mine1905; 1901; 1902; 1903; 1904; 1906; 1907; 1908; 1909Image
2 Mining - Utah Copper's Copperton Mill1904; 1905; 1906; 1907; 1908; 1909; 1910Image
3 Mining - Utah Copper, Copperton Mill1904; 1905; 1906; 1907; 1908; 1909; 1910Image
4 Yampa Smelter1903; 1899; 1900; 1901; 1902; 1904; 1905; 1906; 1907Image
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