Manuscripts
Whipple [head surveyor] of the USBR presents the key to the tent city of Bridge Canyon to Nevills [leader of expedition]
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Riding from Bridge Canyon City to Separation Canyon. Pres Walker and Whipple at front. At back: Nevills, Garth Marston, Dock Marston, McConkie
Manuscripts
mssMarston papers V097/0011
Down at head of Grapevine Rapid. USBR cruise with jet boats. USBR bought the original transparency
Manuscripts
mssMarston papers V061/0096
