Adapted from Chronoscope: Exploring 1492, "Columbian Exchange". © 2011, 1991 WGBH Educational Foundation. All Rights Reserved.
Adapted from Chronoscope: Exploring 1492, "Columbian Exchange". Third party materials courtesy of Eastcott Momatiuk/Stone/Getty Images, and Smithsonian American Art Museum, "Buffalo Hunt under the Wolf-skin Mask" and "Buffalo Chase with Bows and Lances" both by George Catlin, Gifts of Mrs. Joseph Harrison, Jr. 1985.66.414 and 1985.66.410. © 2011, 1991 WGBH Educational Foundation. All Rights Reserved.
Adapted from Chronoscope: Exploring 1492, "Columbian Exchange". Third party materials courtesy of Herman du Plessis/Gallo Images/Getty Images, Library of Congress, and National Geographic Society/Corbis. © 2011, 1991 WGBH Educational Foundation. All Rights Reserved.
Adapted from Chronoscope: Exploring 1492, "Columbian Exchange". © 2011, 1991 WGBH Educational Foundation. All Rights Reserved.
Adapted from Chronoscope: Exploring 1492, "Columbian Exchange". Third party materials courtesy of Eastcott Momatiuk/Stone/Getty Images, and Smithsonian American Art Museum, "Buffalo Hunt under the Wolf-skin Mask" and "Buffalo Chase with Bows and Lances" both by George Catlin, Gifts of Mrs. Joseph Harrison, Jr. 1985.66.414 and 1985.66.410. © 2011, 1991 WGBH Educational Foundation. All Rights Reserved.
Adapted from Chronoscope: Exploring 1492, "Columbian Exchange". Third party materials courtesy of Herman du Plessis/Gallo Images/Getty Images, Library of Congress, and National Geographic Society/Corbis. © 2011, 1991 WGBH Educational Foundation. All Rights Reserved.
© 2011 Jupiterimages Corporation