Manuscripts
Powell Expedition inscription on rocks near the fort at the mouth of White Canyon left by the party under Dellenbaugh when bringing the "Canonita" down from the Dirty Devil to Lees Ferry
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Powell Mapping - Thompson, Dellenbaugh
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
