Manuscripts
Heber Christensen. Christensen was with the San Juan survey party of 1921
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Christensen, Heber
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. on San Juan River survey; Miser-Christensen correspondence
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

Kelly Trimble, chief of party, USGS survey of the San Juan River in 1921. Taken in Glen Canyon
Manuscripts
mssMarston papers V169/0088


