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



