Manuscripts
Prospect Canyon
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Down the Grand Canyon from overlook at Toroweap to Prospect Canyon and Vulcan Rapid
Manuscripts
mssMarston papers V083/0082
![Up Prospect Canyon [on photo reverse: Cones s side Lava Falls--Prospect C at R.]](/_next/image?url=https%3A%2F%2Frail.huntington.org%2FIIIF3%2FImage%2F22APN4IMF1QE%2Ffull%2F%5E360%2C%2F0%2Fdefault.jpg&w=750&q=75)
Up Prospect Canyon [on photo reverse: Cones s side Lava Falls--Prospect C at R.]
Manuscripts
mssMarston papers V083/0125
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Grand Canyon: prospecting
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

View up Toroweap Valley; Vulcans Throne at the edge of the Canyon. The head of Vulcan Rapid can be seen at the mouth of Prospect Canyon at lower left
Manuscripts
mssMarston papers V083/0131

