Brennan O'Connell Near the Colorado River (IMAGE)

University of Oregon

Brennan O'Connell Near the Colorado River

Caption

Brennan O'Connell, a graduate student at the University of Oregon, rests amid rocks in the Bouse Formation of the lower Colorado River valley. She led a team that found evidence for regular tides, suggesting the Gulf of California once extended far to the north of its current location.

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University of Oregon

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