Manuscripts
Up at Desolation Canyon at Mile 40.5 showing the rapid which Cogswell counted as #51
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The Wright party studies the rapid at Mile 41.5, Desolation Canyon
Manuscripts
mssMarston papers V117/0111
Desolation Canyon up from Mile 83 to Mile 104 showing the mouth of Nine Mile Creek
Manuscripts
mssMarston papers V116/0083
Up Grand Canyon from Mile 240.2 showing Rapid 248 by Cogswell's tally and he also numbered it #4, part of Separation Rapid
Manuscripts
mssMarston papers V141/0083
Desolation Canyon, 114 miles below Jensen, Utah. A climb-out in Desolation. The girl is Mildred Davis
Manuscripts
mssMarston papers V117/0007
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Desolation Canyon - Mile 117
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
