Manuscripts
The Marble Gorge from the cable platform at Mile 39. The group are looking at the camp of the motorboat crew
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Marble Gorge from the site of the lower cable. Near Mile 39 1/2
Manuscripts
mssMarston papers V050/0092
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Powell crew - Mile 39-40
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



