The 79 year old Loper standing with his boat at his home in Green River, Utah, the night before leaving on his fatal trip into the Grand Canyon. He died in Marble Canyon at Mile 24 1/2 on July 08

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  Margaret Marston and Bert Loper with Loper's boat "Grand Canyon" at Loper's home in Green river, Utah, just prior to his leaving for his fatal trip into the Grand Canyon

  Manuscripts

  mssMarston papers V180/0119

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  The 79-year-old Bert Loper stands by his boat at his home in Greenriver, Utah, the night before leaving on his fatal trip into the Grand Canyon. He died at Mile 24 1/2 in Marble Canyon on July 8

  Manuscripts

  mssMarston papers V160/0128

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  The 79-year-old Bert Loper posed in his boat before his fatal run of 1949, July

  Manuscripts

  mssMarston papers V160/0129

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  Rachel Loper standing by the monument to Bert Loper at Greenriver, Utah, on the day of the dedication

  Manuscripts

  mssMarston papers V160/0130

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  Plaque at Bert Loper's boat in Marble Canyon, Mile 41

  Manuscripts

  mssMarston papers V051/0021.02

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  Plaque at Bert Loper's boat in Marble Canyon, Mile 41

  Manuscripts

  mssMarston papers V160/0138