Black Cañon, Colorado River, looking below, near Camp 7 / T.H. O'Sullivan, phot.

Photograph showing rock walls of Black Canyon along the Colorado River.
Plate no. 6.

Originally published: Photographs showing landscapes, geological, and other features of portions of the western territory of the United States, obtained in connection with geographical and geological explorations and surveys west of the 100th meridian, seasons of 1871, 1872, and 1873. [Washington, D.C.] : War Dept., Corps of Engineers, U.S. Army, [1875]
Published in: Wheeler's photographic survey of the American West, 1871-1873 by George M. Wheeler ; with 50 landscape photographs by Timothy O'Sullivan and William Bell. New York : Dover Publications, Inc., 1983, Plate 6.
Exhibited: "Framing the West : The Survey Photographs of Timothy H. O'Sullivan" at the Smithsonian American Art Museum, Washington, D.C., February-May 2010.