Manuscripts
Zahn trip to San Juan placers in a Franklin car in 1915
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San Juan trips, year unknown
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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San Juan placer claim - Mile 79-80
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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San Juan River: miles 113.5 (Mexican Hat) to 32 above mouth; Zahn party; Nokai 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
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The Denver Post; Frank Johnson; Bonfils; A. G. Bird: proposed San Juan trip
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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Helen Kendall - Diary of San Juan Trip of May 19, 1948 - Nevills Party
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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Rainbow Bridge-Monument Valley Expedition; cruises, San Juan, Glen Canyon; Ansel Franklin Hall
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