[No. 1198. The Loop Near Georgetown, Colorado. View of the Georgetown Loop and tracks of the Colorado Central Railroad in Clear Creek Canyon above Georgetown (Clear Creek County), Colorado. Shows train trestle and Clear Creek]
2016803
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Beinecke Rare Book and Manuscript Library > [No. 1198. The Loop Near Georgetown, Colorado. View of the Georgetown Loop and tracks of the Colorado Central Railroad in Clear Creek Canyon above Georgetown (Clear Creek County), Colorado. Shows train trestle and Clear Creek]
A mammoth plate is a photographic negative plate size, usually 18 by 21 inches (53.5 x 45.7 cm.) with photographic prints made through contact printing.