U.S. Geological Survey Photographic Library

ID. King, 81

Tertiary bluffs (Green River Eocene) near Green River City, Wyoming Territory. Photo by T.H. O'Sullivan. Geological Exploration of the Fortieth Parallel (King Survey).

Tertiary bluffs (Green River Eocene) near Green River City, Wyoming Territory. Photo by T.H. O'Sullivan. Geological Exploration of the Fortieth Parallel (King Survey).

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