Black Cañon, Colorado River, looking below near Camp 7. Explorations in Nevada and Arizona, Expedition of 1871. Lieut. Geo. M. Wheeler, Com'd'g.

1871

Timothy O'Sullivan American, born Ireland, 1840–1882

United States

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