Manuscripts
Arthur O. McCormick, left, and his brother, James, with their burro train on the trek from Denver to Seattle. Taken between Kremmling and Eagle, Colorado. Center burro carries photographic gear
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United States Geological Survey - Denver Federal Center
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
