Manuscripts
The Black Canyon Dam Site. In middle distance is a diamond drill. In foreground Arthur Powell Davis and R. C. Coldwell. Print from Freeman collection
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![Arthur P. Davis at Diamond Creek. From Freeman collection [on photo reverse: Director Davis at Diamond Creek Dam Site]](/_next/image?url=https%3A%2F%2Frail.huntington.org%2FIIIF3%2FImage%2F22APN4IGQBCS%2Ffull%2F%5E360%2C%2F0%2Fdefault.jpg&w=750&q=75)
Arthur P. Davis at Diamond Creek. From Freeman collection [on photo reverse: Director Davis at Diamond Creek Dam Site]
Manuscripts
mssMarston papers V093/0132
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Davis, Arthur Powell
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

Diamond Drill, Black Canyon. The drilling is preparing for Hoover Dam
Manuscripts
mssMarston papers V102/0144


