Part I. Beginnings -- Part II. Flaming Gorge and Lodore Canyons: May 24 to June 25 -- Part III. Desolation and Gray Canyons: June 26 to July 17 -- Part IV. Cataract, Glen, and Marble Canyons: July 18 ...
Also see: Viola, Herman, and Carolyn Margolis, eds. Magnificent Voyagers. Washington, D.C.: Smithsonian Institution Press, 1985. Oehser, Paul H. The Smithsonian ...
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