Manuscripts
Ellsworth and Emery Kolb--Rapid No. 18. Compare 64-3-31 CTCN 204-3
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Emery Kolb in Rapid No. 18. Rapid No. 18 is the last in One Mile Rapid and heads at about Mile 204
Manuscripts
mssMarston papers V010/0194
Rapid designated as No. 22 in Ellsworth Kolb's book and No. 23 by Emery Kolb
Manuscripts
mssMarston papers V012/0059
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Ellsworth Kolb and Emery Kolb, "Experiences in 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
