[No. 1010. View of the Denver and Rio Grande Railroad narrow gauge tracks near the Arkansas River in Royal Gorge, Fremont County, Colorado. Shows Hanging Bridge, a suspension bridge, sheer rock walls of the canyon and talus]
2016817
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Beinecke Rare Book and Manuscript Library > [No. 1010. View of the Denver and Rio Grande Railroad narrow gauge tracks near the Arkansas River in Royal Gorge, Fremont County, Colorado. Shows Hanging Bridge, a suspension bridge, sheer rock walls of the canyon and talus]
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.