#11 The Great Plains

San Diego was not part of the Great Plains region. Native American groups have lived in the Great Plains before European settlers arrived. Most of the Great Plains region was acquired by the United States through the Louisiana Purchase in 1803. The first settlers arrived in the 1800's. During the 19th and 20th century, farming was the foundation of the Great Plains. Wheat is major crop grown and used.

http://upload.wikimedia.org/wikipedia/en/thumb/8/85/Map_of_the_Great_Plains.png/256px-Map_of_the_Great_Plains.png