Manuscripts
Echo Cliff; Pats Hole. Camp of U. S. Geological Survey
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Pat's Hole; Echo Park
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
Echo or Steamboat Rock at Pats Hole. The Yampa comes in at right
Manuscripts
mssMarston papers V112/0044
