Looking south toward Copper Canyon from Clay Gulch. Copper Canyon: Mile 46.7. Clay Gulch: [Mile] 50.3

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  Clay Gulch (Mile 50.3); Mikes Canyon - Mile 50-51

  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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  Looking northeast up San Juan Canyon from point between mouths of Clay Gulch and Copper Canyon. Camp is on gravel terrace. Mesa is capped by Navajo, Todilto, and Wingate formations. Irregular hills are in areas of Chinle formation

  Manuscripts

  mssMarston papers V125/0145

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  Ruin at mouth of Copper Canyon, San Juan River. Copper Canyon; Mile 46.7

  Manuscripts

  mssMarston papers V125/0128

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  Looking south up Nokai Canyon several miles above mouth of the canyon. Canyon here is cut in Shinarump conglomerate

  Manuscripts

  mssMarston papers V125/0167

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  Looking down San Juan towards mouth of Slickhorn Canyon

  Manuscripts

  mssMarston papers V125/0103

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  Cross Canyon. Looking toward the Colorado River, Mile 208.6

  Manuscripts

  mssMarston papers V008/0187