Pages that link to "File:COLORADO FUEL AND IRON COMPANY FELDSPAR MINE ON MONARCH PASS. (TAKEN WITH INFRARED FILM) - NARA - 543725.jpg"
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The following pages link to File:COLORADO FUEL AND IRON COMPANY FELDSPAR MINE ON MONARCH PASS. (TAKEN WITH INFRARED FILM) - NARA - 543725.jpg
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