How the States Got Their Shapes

How the States Got Their Shapes

Force of Nature (1x3)


Udgivelsesdato: Maj 17, 2011

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?

  • Premieret: Maj 2011
  • Afsnit: 29
  • Følgere: 33
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