U.S. Geological Survey, 1871 ID: 239 | This file appears in: Echo Park Dam and the Early Environmental Movement This stereoscopic photo looks down Echo Park. The Yampa River is in the foreground with the Green River entering from the right. | Creator: Flickr | Date: 1871 | Source: https://www.flickr.com/photos/dinosaurnps/17396238518/in/photolist-svfgCS-72dWb-72dWd-76mfB-7A57Ww-76maZ-72dWa | Rights: Flickr Download Original File CreatorFlickrSourcehttps://www.flickr.com/photos/dinosaurnps/17396238518/in/photolist-svfgCS-72dWb-72dWd-76mfB-7A57Ww-76maZ-72dWaRightsFlickrDate1871 "U.S. Geological Survey, 1871" appears in: Echo Park Dam and the Early Environmental Movement
