Mississippian Ammonites
Mississippian may refer to: *Mississippian (geology), a subperiod of the Carboniferous period in the geologic timescale, roughly 360 to 325 million years ago *Mississippian culture, a culture of Native American mound-builders from 900 to 1500 AD *Mississippian Railway, a short line railroad *A native of Mississippi See also *Mississippi (other) Mississippi is a state of the United States of America. Mississippi may also refer to: Places * Mississippi River, a river in central United States * Mississippi River System, a system of rivers in the Mississippi River watershed * Mississippi ...

Mississippian (geology)
The Mississippian ( , also known as Lower Carboniferous or Early Carboniferous) is a subperiod in the geologic timescale or a subsystem of the geologic record. It is the earlier of two subperiods of the Carboniferous period lasting from roughly 358.9 to 323.2 million years ago. As with most other geochronologic units, the rock beds that define the Mississippian are well identified, but the exact start and end dates are uncertain by a few million years. The Mississippian is so named because rocks with this age are exposed in the Mississippi Valley. The Mississippian was a period of marine transgression in the Northern Hemisphere: the sea level was so high that only the Fennoscandian Shield and the Laurentian Shield were dry land. The cratons were surrounded by extensive delta systems and lagoons, and carbonate sedimentation on the surrounding continental platforms, covered by shallow seas. In North America, where the interval consists primarily of marine limestones, it is treate ...
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Mississippian Culture
The Mississippian culture was a Native Americans in the United States, Native American civilization that flourished in what is now the Midwestern United States, Midwestern, Eastern United States, Eastern, and Southeastern United States from approximately 800 CE to 1600 CE, varying regionally. It was known for building large, earthen platform mounds, and often other shaped mounds as well. It was composed of a series of urban settlements and satellite villages linked together by loose trading networks. The largest city was Cahokia, believed to be a major religious center located in what is present-day southern Illinois. The Mississippian way of life began to develop in the Mississippi River Valley (for which it is named). Cultures in the tributary Tennessee River Valley may have also begun to develop Mississippian characteristics at this point. Almost all dated Mississippian sites predate 1539–1540 (when Hernando de Soto explored the area), with notable exceptions being Natchez p ...
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Mississippian Railway
The Mississippian Railway is a short line railroad operating from Amory, Mississippi, to Fulton, Mississippi. It is owned and operated by the Itawamba County Railroad Authority. The MSRW interchanges with the BNSF Railway at Amory, Mississippi. The MSRW's shops are also located in Amory. History The Mississippian Railway was established in 1923 primarily to haul lumber products from Fulton south to the interchange with the Frisco Railway in Amory. In 1944 a bentonite plant was built in Smithville to take advantage of a large deposit discovered there which led to a surge in business for the line and its nickname ''The Bentonite Road''. By 1968 the bentonite deposits near Smithville had been depleted and the plant closed, however several industries had moved to Fulton and continued to provide traffic for the railroad. In the late 1970s, construction of the Tennessee–Tombigbee Waterway threatened to flood about nine miles of track. The U.S. Army Corps of Engineers decided ...
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Mississippi
Mississippi () is a state in the Southeastern region of the United States, bordered to the north by Tennessee; to the east by Alabama; to the south by the Gulf of Mexico; to the southwest by Louisiana; and to the northwest by Arkansas. Mississippi's western boundary is largely defined by the Mississippi River. Mississippi is the 32nd largest and 35th-most populous of the 50 U.S. states and has the lowest per-capita income in the United States. Jackson is both the state's capital and largest city. Greater Jackson is the state's most populous metropolitan area, with a population of 591,978 in 2020. On December 10, 1817, Mississippi became the 20th state admitted to the Union. By 1860, Mississippi was the nation's top cotton-producing state and slaves accounted for 55% of the state population. Mississippi declared its secession from the Union on January 9, 1861, and was one of the seven original Confederate States, which constituted the largest slaveholding states in t ...
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