Jack Wimpress, Walter Prevost and Don Wimpress just before the start down the San Juan River from Mexican Hat. The boat at the left is a 10-ft. rowboat and that at right is an 8-ft. pram

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  Jack Wimpress, Walter Prevost, and Don Wimpress just before the start down the San Juan River from Mexican Hat. The Navy surplus life jackets were worn on the San Juan and most of the time on the Colorado

  Manuscripts

  mssMarston papers V125/0019

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  Don Wimpress and the 8-ft. pram used to navigate the San Juan from Mexican Hat to its mouth and Glen Canyon down to Lees Ferry

  Manuscripts

  mssMarston papers V170/0201

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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

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  Don Wimpress and the 8 foot pram with which he navigated the San Juan and lower Glen Canyon in 1952, May-June; Mexican Hat

  Manuscripts

  mssMarston papers V180/0126

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  Mexican Hat Lodge. A model of one of Norman Nevills' cataract boats is on top of the sign. Don Wimpress's 8-ft. pram is seen on top of the trailer in front of the Lodge

  Manuscripts

  mssMarston papers V124/0068

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  The San Juan party which left Mexican Hat with the Mexican Hat Expedition on 1952, June 04. Posed outside Hidden Passage

  Manuscripts

  mssMarston papers V185/0031