Manuscripts
Guano operations on south rim just below Quartermaster
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Tram, South Rim
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
Down Cataract Canyon from the rim one mile below the Junction. ; South from rim of Cataract Canyon one mile below the Junction
Manuscripts
mssMarston papers V005/0230.01 ; mssMarston papers V005/0230.02
