Manuscripts
Boat "I" in Mile 217 Rapid, Grand Canyon; Don Harris and John Riffey
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Don Harris, pilot and John Riffey on the "I" at full speed on Lake Mead
Manuscripts
mssMarston papers V175/0034.01

"1" takes a 2-man load through Mile 217. Don Harris; John Riffey
Manuscripts
mssMarston papers V091/0054.02

Jack Brennan's glass "WIZARD" boat in Grand Canyon with Don Hatch's Grand Canyon traverse
Manuscripts
mssMarston papers V175/0060


