Black Cañon, Colorado River, from Camp 8, looking above / T.H. O'Sullivan, Phot.

Photograph showing canyon walls rising from the river; in foreground, man sitting in sailboat.
Illus. in: 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. 1st Lieut. Geo. M. Wheeler, Corps of Engineers, U.S. Army, in charge, p. 11.

On mount: Explorations in Nevada and Arizona. Expedition of 1871, Lieut. Geo. M Wheeler, Com'dg.
No. 8.
Published in: Framing the West: The Survey Photographs of Timothy H. O'Sullivan / Toby Jurovics, Carol M. Johnson, Glenn Willumson, and William F. Stapp. New Haven: Yale University Press, 2010, plate 52.