NABSQNO 13R-659985-3246755

NABSQNO 13R-659985-3246755.
An unnamed irregular natural arch in Big Bend National Park, Texas
Photo by John Burns

NABSQNO 13R-659985-3246755. This small unnamed irregular natural arch with multiple openings has eroded through an oddly sculpted monolith of volcanic tuff known as Thunderhead Rock. It is located about a half-mile west of a parking area along Croton Springs Road in Big Bend National Park, Brewster County, Texas.

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© 2008 by Jay H. Wilbur and John Burns, All Rights Reserved.