Manuscripts
Ed Hudson, Harry Aleson, Hugh Brown and Fred Swenson at Separation Plaque after failure of Aleson's up-river attempt
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Ed Hudson, Harry Aleson, Hugh Brown, Fred Swenson. Separation Plaque. After failure of upriver attempt in 1944, Feb
Manuscripts
mssMarston papers V097/0166
Image not available
Harry Aleson, Return Moore, W. Ward Vickers, Fred Swenson, Hugh Brown, Ed Hudson - Up-River Attempt-Grand 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
Image not available
Harry Aleson, Fred Swenson, John Schinbeck - Out Separation Canyon and Across Sanup Plateau
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
Image not available
Harry Aleson, Hugh Brown, George Black - To ½ Mile Below Separation 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

Hugh Brown and Ward Vickers, the packer; return in Peach Springs Wash enroute to the mouth of Diamond Creek to attempt an up-river run with Harry Aleson
Manuscripts
mssMarston papers V184/0013

Aleson, Moore and Swenson; party of crew "Up Lake" which attempted to run up from Diamond Creek
Manuscripts
mssMarston papers V184/0014