Manuscripts
Ellsworth Kolb in boat used by USGS in survey of Cataract Canyon in 1921, Sep. Narrow beam was a handicap to stability. The forward bulkhead is so near the oarsman that he cannot make a full stroke of the oars. In Cataract Canyon
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USGS Survey of Cataract Canyon
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
The boats used in the USGS survey of Cataract Canyon. Greenriver, Utah
Manuscripts
mssMarston papers V179/0138
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USGS Survey - Cataract Canyon Photography
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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George Simmons - USGS Mapping of Cataract Canyon
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
The "Glen" in the Naturalists Workshop. The "Glen" was used in the USGS survey of the Grand Canyon in 1923. Elwyn Blake had the oars
Manuscripts
mssMarston papers V179/0162
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Ellsworth Kolb - Log of 1921 USGS Cataract Canyon
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