"Queen of the Canyon" on horseback. The skiff used by the USGS in the topographic survey of Grand Canyon National Park

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  The boats used in the USGS survey of Cataract Canyon. Greenriver, Utah

  Manuscripts

  mssMarston papers V179/0138

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  The "Glen" in the Naturalists Workshop. The "Glen" was used in the USGS survey of the Grand Canyon in 1923. Elwyn Blake had the oars

  Manuscripts

  mssMarston papers V179/0162

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  Grand Canyon National Park

  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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  Unloading boats at Needles; USGS survey of Grand Canyon

  Manuscripts

  mssMarston papers V103/0115

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  Grand Canyon National Park: expansion

  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

• 

  Boat attributed to Powell in U. S. Museum West Court, Smithsonian Museum of Natural History. The boat appears to be the "Grand," which was used by the USGS in the Grand Canyon survey of 1923

  Manuscripts

  mssMarston papers V179/0159