Manuscripts
Ruby Canyon at upper right. Ruby Canyon Rapid at right at Mile 104.8. Ruby Canyon dam site is half a mile above Ruby Canyon and 16 miles below Bright Angel Creek according to LaRue
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Ruby Canyon (Mile 104.7); Ruby Canyon Rapid - Mile 104-105
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

Ruby Canyon at upper left and Ruby Canyon Rapid at its mouth. Ruby Canyon Rapid heads at Mile 104.6 and drops about 8'
Manuscripts
mssMarston papers V070/0063
