[No. 1297. Pulpit Rock, Echo Canon, U. P. R. Y. Men stand and sit on a rock formation identified as Pulpit Rock near Echo City (Summit County), Utah]
2016829
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Beinecke Rare Book and Manuscript Library > [No. 1297. Pulpit Rock, Echo Canon, U. P. R. Y. Men stand and sit on a rock formation identified as Pulpit Rock near Echo City (Summit County), Utah]
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.