Manuscripts
Upstream from Mile 239 1/2 to Gneiss and Bridge Canyons
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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

Upriver from about Mile 239 on trail between Separation and Bridge Canyon City, left bank
Manuscripts
mssMarston papers V097/0021



