Manuscripts
Up into 50 Mile Canyon
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West Canyon - Mile 50-51
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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Mineral Canyon (Mile 50.8) - Mile 50-51
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

Up Grand Canyon from the pass between 224 Mile Canyon and Diamond Creek
Manuscripts
mssMarston papers V092/0141
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Three Canyon Creek - Mile 49-50
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

