Kansas

Kansas is a U.S. state located in the Midwestern United States. It is named after the Kansa Native American tribe, which inhabited the area. The tribe's name (natively kką:ze) is often said to mean "people of the wind" or "people of the south wind," although this was probably not the term's original meaning. Residents of Kansas are called "Kansans." For thousands of years what is now Kansas was home to numerous and diverse Native American tribes. Tribes in the Eastern part of the state generally lived in villages along the river valleys. Tribes in the Western part of the state were semi-nomadic and hunted large herds of bison. Kansas was first settled by European Americans in the 1830s, but the pace of settlement accelerated in the 1850s, in the midst of political wars over the slavery issue.
When officially opened to settlement by the U.S. government in 1854, abolitionist Free-Staters from New England and pro-slavery settlers from neighboring Missouri rushed to the territory to determine if Kansas would become a free state or a slave state. Thus, the area was a hotbed of violence and chaos in its early days as these forces collided, and was known as Bleeding Kansas. The abolitionists eventually prevailed and on January 29, 1861, Kansas entered the Union as a free state. After the Civil War, the population of Kansas grew rapidly, when waves of immigrants turned the prairie into farmland. Today, Kansas is one of the most productive agricultural states, producing high yields of wheat, sorghum, and sunflowers. Kansas is the 15th most extensive and the 33rd most populous of the 50 United States.
==Geography==
Kansas is bordered by Nebraska on the north; Missouri on the east; Oklahoma on the south; and Colorado on the west. The state is divided into 105 counties with 628 cities, and is located equidistant from the Pacific and Atlantic oceans. The geographic center of the 48 contiguous states is located in Smith County near Lebanon. The geodetic center of North America was located in Meades Ranch, Kansas, Osborne County until 1983. This spot was used until that date as the central reference point for all maps of North America produced by the U.S. government. The geographic center of Kansas is located in Barton County.
==Geology==
Kansas is underlain by a sequence of horizontal to gently westward dipping sedimentary rocks. A sequence of Mississippian, Pennsylvanian and Permian rocks outcrop in the eastern and southern part of the state. The western half of the state has exposures of Cretaceous through Tertiary sediments, the latter derived from the erosion of the uplifted Rocky Mountains to the west. These are underlain by older Paleozoic and Mesozoic sediments which correlate well with the outcrops to the east. The northeastern corner of the state was subjected to glaciation in the Pleistocene and is covered by glacial drift and loess.
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