Manuscripts
The "Sweet Chariot" cruising on upper Lake Mead in the Grand Canyon at the end of the 1951 motor traverse. Cooper is pilot. Taylor facing the camera
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The "Sweet Chariot" at Pierces Ferry. Left to right: Daniels; Cooper; Seymour; Taylor; and Maradel Marston. Grand Canyon Motor Traverse
Manuscripts
mssMarston papers V100/0040

William Gerritt Cooper skiing on the upper end of Lake Mead after traverse of Marble and Grand Canyon with motor boats
Manuscripts
mssMarston papers V099/0073



