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Contact: Kea Giles
Geological Society of America

Grand Canyon, USA.

Caption: A figure stands on Esplanade surface opposite Vulcan's Throne volcano, Grand Canyon, USA. Photo by J.W. Sears.

Credit: Photo by James W. Sears

Usage Restrictions: Credit to photographer J.W. Sears

Related news release: Could the Colorado River once have flowed into the Labrador Sea?

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