Manuscripts
The lower end of Island Park and the entrance to Split Mountain
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Looking out of lower end of Whirlpool Canyon into the open country at Island Park
Manuscripts
mssMarston papers V113/0043
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Green River (either lower end Whirlpool Canyon or upper end Split Mountain
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
Green River Investigation: Downstream above Entrance to Split Mountain Canyon
Manuscripts
mssMarston papers V113/0071.01
