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The Great Plains (United States) and the Canadian Prairies. 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.
The High Plains region is mostly semi-arid grassland and steppe. Today much of the region supports agriculture through the use of aquifer water irrigation, but in the 19th century, the area's relative lack of water and wood made it seem unfit for settler farming. [5]
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 encompassing the western part of the Great Plains before the region reaches the Rocky Mountains.
The system dates to Nevin Fenneman's report Physiographic Divisions of the United States, published in 1916. [2] [3] The map was updated and republished by the Association of American Geographers in 1928. [4] The map was adopted by the United States Geological Survey by publication in 1946. [5]
Much of the southern High Plains, including the Texas Panhandle, saw temperatures nosedive over 40 degrees in a few minutes. Amarillo, Texas, went from a high of 70 degrees to a low of 13 that day.
These plains mainly consist of flat rolling land, with scattered buttes, canyons, and forests located in these areas. The High Plains receive very little rainfall, and sit at high elevations, usually about 3,000 to 6,000 feet (910 to 1,830 m). Many people view the High Plains as the point where one begins to enter the greater Mountain West region.
U.S. Census Bureau regions and divisions. Since 1950, the United States Census Bureau defines four statistical regions, with nine divisions. [1] [2] The Census Bureau region definition is "widely used... for data collection and analysis", [3] and is the most commonly used classification system.
Summerlike temperatures and gusty winds will build across the Plains states ahead of a cold front poised to bring a big cooldown and snow to the West early in the week. This clash of seasons will ...