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The term "Great Plains" is used in the United States to describe a sub-section of the even more vast Interior Plains physiographic division, which covers much of the interior of North America. It also has currency as a region of human geography, referring to the Plains Indians or the Plains states. [citation needed]
Among the most powerful and dominant tribes were the Dakota or Sioux, who occupied large amounts of territory in the Great Plains of the Midwest. The area of the Great Sioux Nation spread throughout the South and Midwest, up into the areas of Minnesota and stretching out west into the Rocky Mountains. At the same time, they occupied the heart ...
1946 Map published by USGS documenting the work of Fenneman's 1915-16 committee of the American Association of Geographers. USGS map colored by paleogeological areas and demarcating the sections of the U.S. physiographic regions: Laurentian Upland (area 1), Atlantic Plain (2-3), Appalachian Highlands (4-10), Interior Plains (11-13), Interior ...
It can be traced to Stephen H. Long's 1820 scientific expedition which put the Great American Desert on the map. [3] [4] Today the area is usually referred to as the High Plains, and the original term is sometimes used to describe the arid region of North America, which includes parts of northwestern Mexico and the American southwest.
The Ogallala Aquifer (oh-gə-LAH-lə) is a shallow water table aquifer surrounded by sand, silt, clay, and gravel located beneath the Great Plains in the United States. As one of the world's largest aquifers, it underlies an area of approximately 174,000 sq mi (450,000 km 2) in portions of eight states (South Dakota, Nebraska, Wyoming, Colorado, Kansas, Oklahoma, New Mexico, and Texas). [1]
The High Plains region is the center yellow area designated 13d. [2] The High Plains ecology region is designated by 25 on this map. Childress County, Texas, June 1938. The High Plains are a subregion of the Great Plains, mainly in the Western United States, but also partly in the Midwest states of Nebraska, Kansas, and South Dakota, generally ...
The Upper Midwest is a northern subregion of the U.S. Census Bureau 's Midwestern United States. Although the exact boundaries are not uniformly agreed upon, the region is usually defined to include the states of Iowa, Michigan, Minnesota and Wisconsin; some definitions include North Dakota, South Dakota, and parts of Nebraska and Illinois.
Currently, the CIA World Factbook gives 9,826,675 km 2 (3,794,100 sq mi), [ 7 ] the United Nations Statistics Division gives 9,629,091 km 2 (3,717,813 sq mi), [ 8 ] and the Encyclopedia Britannica gives 9,522,055 km 2 (3,676,486 sq mi) (Great Lakes area included but not coastal waters). [ 9 ] These sources consider only the 50 states and the ...