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A view through a coulee in Alberta, with steep but lower sides, and water in the bottom. Coulee, or coulée (/ ˈ k uː l eɪ / or / ˈ k uː l iː /), [1] is any of various different landforms, all of which are kinds of valleys or drainage zones. The word coulee comes from the Canadian French coulée, from French couler 'to flow'.
The U.S. state of Oklahoma has 77 counties. It is ranked 20th in size and 17th in the number of counties, between Mississippi with 82 counties and Arkansas with 75 counties. [1] Oklahoma originally had seven counties (Logan, Cleveland, Oklahoma, Canadian, Kingfisher, Payne, and Beaver) when it was first organized as the Oklahoma Territory ...
Oklahoma sits at a frequent crossroads between three different air masses: warm, humid air from the Gulf of Mexico; warm to hot, dry air from Mexico and the Southwestern U.S.; and cold, dry air from Canada. Especially from fall to spring, Oklahoma sees frequent air mass changes, which can produce drastic swings in both temperature and humidity.
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.
The Coulee Region is the southwestern part of the Driftless Area in Wisconsin. It is named for its numerous ravines. It is named for its numerous ravines. Never covered by ice during the last ice age , the area lacks the characteristic glacial deposits known as drift .
Oklahoma (/ ˌ oʊ k l ə ˈ h oʊ m ə / ⓘ OHK-lə-HOH-mə; [7] Choctaw: Oklahumma, pronounced) [8] is a landlocked state in the South Central region of the United States. [9] It borders Texas to the south and west, Kansas to the north, Missouri to the northeast, Arkansas to the east, New Mexico to the west, and Colorado to the northwest.
Central Oklahoma is a humid-subtropical region dominated by the Cross Timbers, an area of prairie and patches of forest at the eastern extent of the Great Plains. [2] The region is essentially a transition buffer between the wetter and more forested Eastern Oklahoma and the semi-arid high plains of Western Oklahoma, and experiences extreme swings between dry and wet weather patterns.
South Central Oklahoma is an amorphous region in the state of Oklahoma, perhaps encompassing 10 counties. It is centered on the Arbuckle Mountains , an ancient, eroded range traversing some 70 miles (110 km) across the region, and surrounded by rivers and lakes, notably Lake Texoma , Lake Murray and Lake of the Arbuckles .