Manuscripts
John Maxson, Preliminary Geologic Map of the Grand Canyon and Vicinity (West and Central)
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Archaen Rocks at Grand Canyon - Ian Campbell & John H. Maxson - Caltech
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
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Grand Canyon: Preliminary Wilderness Proposal
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
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History of the Geological Sciences, ed. by John H. Maxson, California Institute of Technology
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
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International Geological Congress - Visit to 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
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John Maxson
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
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Grand Canyon tourist maps
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