[No. 1009. View of the Denver and Rio Grande Railroad narrow gauge tracks near the Arkansas River in Royal Gorge, Fremont County, Colorado]
2016818
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Beinecke Rare Book and Manuscript Library > [No. 1009. View of the Denver and Rio Grande Railroad narrow gauge tracks near the Arkansas River in Royal Gorge, Fremont County, Colorado]
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.