Manuscripts
Don Ashbaugh and Randall Henderson on the motor-boat on Lake Mead; end of 1947 traverse of Grand Canyon
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John Harper; head of Lake Mead at end of 1952 motor traverse of the Grand Canyon
Manuscripts
mssMarston papers V158/0044

Randall Henderson with Mr. Green (the gauger at Pierces Ferry) at the end of the traverse of the Grand Canyon
Manuscripts
mssMarston papers V158/0116

Randall Henderson pounds out his daily story during the Grand Canyon traverse of 1947
Manuscripts
mssMarston papers V158/0111

Randall Henderson typing up his notes during his traverse of the Grand Canyon in 1947, July
Manuscripts
mssMarston papers V158/0112

Norman Nevills on Lake Mead at end of 1947 Grand Canyon traverse. Excessive strain is suggested in this unposed photo
Manuscripts
mssMarston papers V165/0117
