Manuscripts
USGS skiff between the head of Black Canyon and Needles
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USGS - Black Canyon Survey
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
"Queen of the Canyon" on horseback. The skiff used by the USGS in the topographic survey of Grand Canyon National Park
Manuscripts
mssMarston papers V179/0086
