Manuscripts
"I" under full power on Lake Mead; John Riffey; Bill Belknap; Don Harris
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I under full power on Lake Mead; John Riffey; Bill Belknap; Don Harris
Manuscripts
mssMarston papers V100/0171.01

"I" under full power on Lake Mead; John Riffey; Bill Belknap; Don Harris
Manuscripts
mssMarston papers V100/0171.02

18-ft. boats under full power from the 25HP Evinrude motors on Lake Mead. The "I." John Riffey; Don Harris; Bill Belknap
Manuscripts
mssMarston papers V100/0200.01

Supai Creek- Jack Couffer, Bill Belknap, Don Harris and John Riffey
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mssMarston papers V080/0190.01

The supply point at Whitmore Wash; John Riffey, Claude Nichols, Don Harris, Rod Sanderson and Bill Belknap
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