Manuscripts
Mile 206 1/2-207 showing the gypsum instrusion in the mouth of the side canyon
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Indian Canyon - Mile 206-207
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
Up river from Mile 206 to the side canyon at Mile 206.85. The gypsum plug is right and below center
Manuscripts
mssMarston papers V009/0066
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Mile 206-207
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
