Manuscripts
Frost Expedition on the San Juan River. At Mexican Hat when unloading equipment at the starting point. Davied Archer; William Seigenthaler; Earl Webb; Sam Bates; Jon Cross; William Gressett
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Jack Frost Expedition, Mexican Hat, Utah, to Lee's Ferry, Arizona
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
