Manuscripts
The "Sweet Chariot" and the "Boo" trailing the "Step In Again" on the upper end of Lake Mead after completing the run through the Grand Canyon in 1951, June
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Cruising at the head of Lake Mead at end of 1951 power run. Frances Belknap and Edi Jaun in the "Step-in-Again."
Manuscripts
mssMarston papers V099/0053

Cooper skiing behind the "Step In Again." Upper Lake Mead in the Grand Canyon
Manuscripts
mssMarston papers V099/0076

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
Manuscripts
mssMarston papers V099/0054

Mooring at right bank at Mile 115. The boats are the "Sweet Chariot" and the "Step In Again"
Manuscripts
mssMarston papers V073/0094

Cooper running the "Sweet Chariot" through Dubendorff Rapid. The flow approximates 30,000 cfs
Manuscripts
mssMarston papers V075/0078

Arrival at Pierces Ferry: "June Bug," "Boo," "Step In," "Twin," "Chariot."
Manuscripts
mssMarston papers V100/0039