Manuscripts
Down Grand Canyon, Mile 226.5 to 228
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Travertine Canyon Dam site - Mile 228-229
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

Floating into Separation Canyon from the trip down from 209 Mile Canyon
Manuscripts
mssMarston papers V097/0014



