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Homestake Gold Mine and Open Cut - Lead, South Dakota
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Chilkoot Pass During The Gold Rush - Skagway, Alaska
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Wyodak Coal Mine - Gillette, Wyoming
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Homestake Gold Mine - Lead, South Dakota
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Greetings from Arcadian Copper Mines, Michigan
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Keweenaw, Michigan
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Gold Dredge - Fairbanks, Alaska
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Greetings from Hibbing, Minnesota