Manuscripts
Sign on the motorboat "Esmeralda II" at the opening of the Visitors Center, Grand Canyon
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Sign on the sadiron "WEN"; opening of the Visitor's Center, Grand Canyon
Manuscripts
mssMarston papers V180/0109

"Esmeralda II" in Mile 217 Rapid. First complete transit of Grand Canyon by a motorboat
Manuscripts
mssMarston papers V091/0038
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Trip of the "Esmeralda II" down the Grand Canyon
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


