Manuscripts
Overhauling the boats at Green River, June 26, 1927: McGregory; Howland
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Group at Green River, Utah: Harry Howland, water gauger; Adger; Felton; Weatherhead; "Chris" McGregory
Manuscripts
mssMarston papers B414/0002

Green River citizens watch departure of expedition, June 27, 1927
Manuscripts
mssMarston papers B414/0009
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[Launching of boats at Green River, Utah; the Bert Loper, Howland's boat, and deck boat; lower Green River, Cataract and Glen Canyons, and the Colorado River above the Confluence.] (177 slides)
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

Below foot of Paria Riffle where McGregory left the 1927 Eddy party
Manuscripts
mssMarston papers V143/0008

