Manuscripts
Edwin D. McKee and Edward T. Schenk, "The Lower Canyon Lavas and Related Features at Toroweap in Grand Canyon," E.D. Koons, "The Uinkaret Volcanic Field, Arizona," Mountains of Fire, Part II--Northern Arizona,"
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Professional and personal papers of Otis R. Marston and his collection of the materials on the history of Colorado River and Green River regions.
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Ben H. Thompson, "Toroweap--The New Grand Canyon National Monument," 1933; The Arizona Strip
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Professional and personal papers of Otis R. Marston and his collection of the materials on the history of Colorado River and Green River regions.
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Professional and personal papers of Otis R. Marston and his collection of the materials on the history of Colorado River and Green River regions.
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mssMarston papers
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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
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Schenk, Henry A. - Forest Ranger
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