Force of Nature
How have massive geological events helped create the American map? Long before the Founding Fathers drew the map, mother nature shaped some states. How did an asteroid create the border for three states and change history? How did glaciers plow the great plains and how did natural disasters continue to alter the map?
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Airs
Tue, May 17, 2011
42 min
Show
How the States Got Their Shapes
29 episodes
Episode
S1 · E3
in How the States Got Their Shapes