Manuscripts
Don Wimpress in the "Argo" somewhere in the canyon before Piute Farms
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Don Wimpress and Jack Wimpress lining the "ARGO" at 13-Foot Rapid, San Juan River
Manuscripts
mssMarston papers V127/0230

Don Wimpress lining his ARGO at Syncline Rapid, San Juan River
Manuscripts
mssMarston papers V127/0132

The method of lining used by Don Wimpress by going through the willows around Piute Rapid
Manuscripts
mssMarston papers V127/0038
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Don Wimpress; John K. Wimpress; Walter Prevost
Manuscripts
Professional and personal papers of Otis R. Marston and his collection of the materials on the history of Colorado River and Green River regions.
mssMarston papers

Jack and Walt lining around Government Rapid. The "Black Submarine" was lined but Don Wimpress ran the rapid in the "Argo."
Manuscripts
mssMarston papers V125/0095

Jeep and boats used by Don S. Wimpress, Jack Wimpress, Walter Prevost and C. S. Wimpres. The latter handled the Jeep
Manuscripts
mssMarston papers V180/0125