Green_River,_Canyon_of_Desolation._Sumner’s_Amphitheater_-_NARA_-_517174 August 30, 2012 3000 × 1881 Green_River,_Canyon_of_Desolation._Sumner’s_Amphitheater_-_NARA_-_517174 William Henry Jackson, “Green River, Canyon of Desolation, Sumner’s Amphitheater,” (1871); The National Archives and Records Administration Like this:Like Loading... Share this:Click to share on Pinterest (Opens in new window)Click to share on LinkedIn (Opens in new window)Click to share on Facebook (Opens in new window)Click to share on Pocket (Opens in new window)Click to share on Twitter (Opens in new window)Click to print (Opens in new window)Like this:Like Loading...