Manuscripts
217 - above 239 (Exp. 6, Head of 217; Exp. 8, Exp. 20 (112); Exp. 20, 30, 205 Rapid, Granite Park (111[this second half appears to belong with the slides in the box above]) [Turbocraft jet boats in Grand Canyon.] (33 slides)
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171-188 (Exp. 13, 14, 15, 16, Red Slide - Roll 110) [Turbocraft jet boats in 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
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190-208; BR 20, 30 [Turbocraft jet boats in 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
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134- (109) (Deer Cr. Exp. 10, 14, 24; 109) [Turbocraft jet boats in 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
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[Turbocraft jet boats in the upper 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
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Sep (113) (Exp. 6, 7, 25, 35 - Earls accident) [Turbocraft jet boats in lower Grand Canyon.] (32 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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Mile 111-112
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