Manuscripts
Probably in area of Mile 75. The boats are overloaded. McDonald is at the sweep at left
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The three boats in upper Marble Canyon. Steersman in foreground is probably McDonald
Manuscripts
mssMarston papers V183/0030

Butte on left bank near Mile 59. Jim Algar photographed a butte in this area in 1958 and this probably is the one
Manuscripts
mssMarston papers V053/0098
Image not available
Mile 75-76
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

John Wetherill and the overloaded outboard skiff in Glen Canyon
Manuscripts
mssMarston papers V173/0056

