Black Cañon, looking above from Mirror Bar
Timothy O'Sullivan · 1871

Albumen print, from the album "Geographical & Geological Explorations & Surveys West of the 100th Meridian," vol. 2
Timothy O'Sullivan · 1871

Albumen print, from the album "Geographical & Geological Explorations & Surveys West of the 100th Meridian," vol. 2