Manuscripts
Up 127 Mile Canyon to Powell Plateau. Probable break in Coconino at right
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[on photo reverse: "NW over Coconino Plateau, Grand Canyon and Kaibab Plateau"
Manuscripts
mssMarston papers V054/0070.01
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Powell Plateau
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



