Manuscripts
Dock Marston and Bill Belknap at the end of the 1950 run through the Grand Canyon
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Dock Marston and Bill Belknap at the end of the 1950 run through the Grand Canyon. At Boulder City
Manuscripts
mssMarston papers V162/0086

Dock Marston and Bill Belknap after motor run of the Grand Canyon; Boulder City
Manuscripts
mssMarston papers V184/0156

Dock Marston at Pierces Ferry. End of 1947 run of Grand Canyon
Manuscripts
mssMarston papers P004/0140

Dock Marston at Pierces Ferry at end of 1947 run of Grand Canyon
Manuscripts
mssMarston papers V162/0043

