How the States Got Their Shapes
Force of Nature
S1 E3 May 16, 2011 TV-PG
8.0
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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