Northern States Ride 2016

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Mount Rushmore National Memorial, an iconic symbol of the United States, is carved into the face of Mount Rushmore, a 1.7 billion year old Proterozoic granite pluton in the Black Hills of South Dakota. Mount Rushmore features 60 foot (18 m) sculptures of the heads of presidents George Washington, Thomas Jefferson, Theodore Roosevelt, and Abraham Lincoln, between 1927 and 1941.

All images copyright © 2016 F.W. Vollmer and may not be used without permission.