Manuscripts
John Harper; head of Lake Mead at end of 1952 motor traverse of the Grand Canyon
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Tad Nichols at head of Lake Mead at end of 1952 motor traverse of the Grand Canyon
Manuscripts
mssMarston papers V165/0172

Dave Evans of Salt Lake City; head of Lake Mead at end of 1952 motor traverse of the Grand Canyon
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mssMarston papers V155/0237

At the head of Lake Mead; end of 1948 traverse of the Grand Canyon
Manuscripts
mssMarston papers V099/0139

At the head of Lake Mead; end of 1948 traverse of the Grand Canyon
Manuscripts
mssMarston papers V099/0140

Don Ashbaugh and Randall Henderson on the motor-boat on Lake Mead; end of 1947 traverse of Grand Canyon
Manuscripts
mssMarston papers V158/0117

Calvin Ashton, 1243 Lorraine Drive, Salt Lake City. At upper end of Lake Mead at end of 1952 motor traverse of the Grand Canyon
Manuscripts
mssMarston papers V151/0113