Manuscripts
North to Supai Canyon and Mt. Sinyala from Mile 161
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Mt. Sinyala from head of Beaver Canyon. Lava plug at left, Coyote Canyon at right
Manuscripts
mssMarston papers V080/0100
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Colorado River: miles 150-156 below Lee's Ferry; Sinyala Canyon and Mt. Sinyala; Grand Canyon views
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



