U.S. Geological Survey Photographic Library

ID. Wheeler 1871, 8

Black Canyon of the Colorado River, looking above from Camp 8 in Nevada. Photo by T.H. O'Sullivan.U.S. Geographical Surveys West of the One Hundredth Meridian (Wheeler Survey, 1871 Expedition).

Black Canyon of the Colorado River, looking above from Camp 8 in Nevada. Photo by T.H. O'Sullivan.U.S. Geographical Surveys West of the One Hundredth Meridian (Wheeler Survey, 1871 Expedition).

Image file: /htmlorg/lpb128/land/wg187108.jpg