Manuscripts
Dredge: Geological Analyses; A.C. Lawson; H.E. Gregory and Raymond C. Moore; Arizona Bureau of Mines; U.S.G.S. Bulletin 1137
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Maps from U.S.G.S. Bulletins 908 & 951
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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H.E. Gregory, "The Navajo-Moki Country Exploration," 1908
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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U.S.G.S. Miscellaneous Geologic Investigations: I-246, I-261
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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Arizona Bureau of Mines, Geologic maps of Coconino and Mohave Counties
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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Dolores River photogeological maps (U.S.G.S. Miscellaneous Geologic Investigations: I-278; I-279)
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
Image not available
U.S.G.S
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