Black Canyon of the Colorado River, looking down from Mirror Bar in Nevada. Photo by T.H. O'Sullivan.U.S. Geographical Surveys West of the One Hundredth Meridian (Wheeler Survey, 1871 Expedition).
Dates
Date Taken
1871
Summary
Black Canyon of the Colorado River, looking down from Mirror Bar in Nevada. Photo by T.H. O'Sullivan.U.S. Geographical Surveys West of the One Hundredth Meridian (Wheeler Survey, 1871 Expedition).
Summary
Black Canyon of the Colorado River, looking down from Mirror Bar in Nevada. Photo by T.H. O'Sullivan.U.S. Geographical Surveys West of the One Hundredth Meridian (Wheeler Survey, 1871 Expedition).
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