Black Cañon, Colorado River, Looking Above from Camp 7
Timothy O'Sullivan · 1871

Albumen print, from the album "Geographical & Geological Explorations & Surveys West of the 100th Meridian," vol. 1
Timothy O'Sullivan · 1871

Albumen print, from the album "Geographical & Geological Explorations & Surveys West of the 100th Meridian," vol. 1