U.S. Geological Survey Photographic Library

ID. Wheeler 1871, 15

Iceberg Canyon on the Colorado River in Nevada. Photo by T.H. O'Sullivan. U.S. Geographical Surveys West of the One Hundredth Meridian (Wheeler Survey, 1871 Expedition).

Iceberg Canyon on the Colorado River 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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