Manuscripts
[Developed June 1975. Inscriptions; lower Green River?; Bert Loper.] (33 slides)
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[June The Bert Loper] on lower Green River? near Confluence.] (39 slides)
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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[Developed June 1975. Inscriptions; Green River (Labyrinth and Stillwater Canyons)] (36 slides)
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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Up from THE SLIDE with heavy cruiser [Developed June 1967. Bert Loper towing crippled cruiser near Confluence of Green and Colorado Rivers.] (8 slides)
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
Image not available
[Developed June 1967. Aerial views: lower Green River?; San Rafael River.] (21 slides)
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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Vulcan to 235 [Developed June 1975. Lower Grand Canyon.] (29 slides)
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
Image not available
[Launching of boats at Green River, Utah; the Bert Loper, Howland's boat, and deck boat; lower Green River, Cataract and Glen Canyons, and the Colorado River above the Confluence.] (177 slides)
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