National Geographic: Change of Heartland-America's Great Plains (May 2004, Volume 205, Number 5)

Name: National Geographic: Change of Heartland-America's Great Plains (May 2004, Volume 205, Number 5)
Author: /author/William_L._%5B%5Beditor%5D%5D_Allen_(National_Geographic_France_n%C2%B0_66_mars_2005)