Rare Books
The Grand Canyon : an article giving the credit of first traversing the Grand Canyon of the Colorado to James White, a Colorado gold prospector, who, it is claimed, made the voyage two years previous to the expedition under the direction of Maj. J.W. Powell, in 1869
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Major J.W. Powell's Report on his Explorations of the Rio Colorado in 1869
Manuscripts
Professional and personal papers of Otis R. Marston and his collection of the materials on the history of Colorado River and Green River regions.
mssMarston papers
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Stereographs of the Powell Survey of the Grand Canyon and Colorado River
Visual Materials
This box contains seventy three stereographs taken during the United States Topographical and Geological Survey of the Colorado River, of the West, led by John Wesley Powell and Almon Harris Thompson.
photPF 811-893
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Wilson, Neill: Grand Canyon Traverse; "Running the Colorado's Rapids,"
Manuscripts
Professional and personal papers of Otis R. Marston and his collection of the materials on the history of Colorado River and Green River regions.
mssMarston papers

J. W. Powell, first navigator of the Grand Canyon of the Colorado
Manuscripts
mssMarston papers V166/0114

The Grand Canyon. Frontispiece of Powells 1875 Report. Illustration on p.378 of "Canyons of the Colorado," J. W. Powell, Meadville, 1895
Manuscripts
mssMarston papers V054/0112