Manuscripts
Sign painted on the rocks at the edge of Vulcan Rapid after the four jet boats topped it 1960, July 06. Dupe slide made by a member of the White party
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June 65 dupes; Dupes [Duplicate slides of Turbocraft jet boat run through Marble and Grand Canyons.] (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
