Manuscripts
One of the Aleson boats on the San Juan River above Clay Hills Crossing. Pete Sparkes is the boatman
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Harry Aleson (near) and Harry Pete Sparkes, Jr., at Green River, Wyoming. The neoprene boats are the 10-man Navy craft
Manuscripts
mssMarston papers V182/0012

Down San Juan RiVer between Clay Hill Crossing and the mouth of Moonlight Creek
Manuscripts
mssMarston papers V125/0121
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Aleson, Sparkes, Henderson - Peace River
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
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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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Clay Hill Crossing - Mile 57-58
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