Manuscripts
Harry Aleson (near) and Harry Pete Sparkes, Jr., at Green River, Wyoming. The neoprene boats are the 10-man Navy craft
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Aleson, Sparkes - Green River, Wyoming to Hite, Utah
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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Sparkes, Harry ("Pete")
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

One of the Aleson boats on the San Juan River above Clay Hills Crossing. Pete Sparkes is the boatman
Manuscripts
mssMarston papers V182/0027

Harry Aleson; Jack Newbold; Maurine Henderson. Dawson City. The trio ran on the Yukon with neoprene boats
Manuscripts
mssMarston papers V185/0103
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Aleson, Sensibaugh - Green River, Wyoming to Foot of Split Mountains
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
