1953 Sierra Club Green River Canyon Trip. Sierra Club members in inflatable pontoon boats/rafts and foldboats at the head of Big Joe Rapids in Dinosaur National Monument. Other National Park Service Image Numbers: WASO-B-522
<ul><li>Keywords: canyon; river; rafting; Recreation(NPS History Collection Themes); Environmental Conservation: Natural Conservation(NPS History Collection Themes)</li></ul>
James E. Cole
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