Manuscripts
Upstream from Mile 239 1/2 to Gneiss and Bridge Canyons
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Upriver from about Mile 239 on trail between Separation and Bridge Canyon City, left bank
Manuscripts
mssMarston papers V097/0021
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Bridge Canyon (Mile 235); Bridge Canyon Rapid; Gneiss Canyon (Mile 235.7) - Mile 235-236
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
