Manuscripts
Mouth of Dark Canyon
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Mouth of Dark Canyon. The foreground shows a flood out of Dark Canyon
Manuscripts
mssMarston papers V017/0094
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U.S.G.S. 15 min. series: Mouth of Dark 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
