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Pigtail Bridge

These Pigtail Bridges could also be called "Corkscrew Bridges", but that wouldn't be as cute. Anyway, we found these along Iron Mountain Road in Mount Rushmore National Park. Designed in 1932 by Cecil Clyde Gideon to gain elevation while not messing up the terrain. Very cool!

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Uploaded on September 9, 2017
Taken on August 22, 2017