Manuscripts
Specter Chasm; Specter Rapid; Specter Chasm Dam site - Mile 129-130
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Smith Bar; Hansen Creek, Mile 129.95; Smith Rapid - Mile 129-130
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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Hualpai Rapid (Mile 301.5); Long Rapid; Hualpai Rapids Dam site - Mile 301-302
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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Bedrock Rapid - Mile 130-131
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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Dam site - Mile 32-33
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 128-129
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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Gneiss Canyon Rapid, foot; Bridge Canyon Dam site, mapped - Mile 236-237
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