Manuscripts
Abt 220, 235 [Developed June 1974. Lower Grand Canyon.] (35 slides)
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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
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[Developed June 1976. Raft trip, lower Grand Canyon.] (13 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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1974?? to below Kwagunt [Developed June 1975. Marble Canyon.] (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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Sep to Stanley [Turbocraft jet boats in lower Grand Canyon to Lake Mead.] (35 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 May 1973. Raft trip through Marble and Grand Canyons (includes Supai).] (35 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
Lower Canyon, Mead - 1972 [Developed May 1972. Raft trip through Grand Canyon.] (33 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