Manuscripts
Ancient lava upthrust opposite end of Tanner Trail, Mile 68. Right bank of river in Grand Canyon
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Tanner Trail: 1959 Tragedy - Mile 68-69
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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Tanner Rapid (Mile 68.4); Tanner Canyon; Tanner Trail; Desert View Point - Mile 68-69
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
