located_in_the_administrative_territorial_entity arkansas highway 181
Highway 181 ( AR 181 , Ark . 181 , and Hwy . 181 ) is a designation for two ___MASK91___ -- south state highways in ___MASK1___ County . An western route ___MASK24___ 2 . 24 miles ( 3 . 60 km ) runs from US Route 61 ( US 61 ) in Bassett to Interstate 55 ( I - 55 ) . A second route ___MASK24___ 31 . 14 miles ( 50 . 11 km ) begins at Highway 14 in Marie and runs ___MASK91___ to Missouri SSR - NN . The ___MASK1___ ___MASK43___ is the chief ___MASK43___ of the largest drainage system on the North American continent . Flowing entirely in the United States ( although its drainage basin reaches into Canada ), it rises in ___MASK40___ Minnesota and meanders slowly southwards for to the ___MASK1___ ___MASK43___ Delta at the ___MASK90___ . With its many tributaries , the ___MASK1___ ' s watershed drains all or parts of 31 U . S . states and 2 Canadian provinces between the Rocky and Appalachian Mountains . The ___MASK1___ ranks as the fourth longest and fifteenth largest ___MASK43___ in the world by discharge . The ___MASK43___ either borders or passes through the states of Minnesota , ___MASK7___ , Iowa , Illinois , Missouri , Kentucky , Tennessee , ___MASK86___ , ___MASK1___ , and Louisiana . The ___MASK10___ ___MASK43___ is the longest ___MASK43___ in North America . Rising in the Rocky Mountains of western Montana , the ___MASK10___ flows east and south for before entering the Mississippi ___MASK43___ north of St . Louis , ___MASK10___ . The ___MASK43___ takes drainage from a sparsely populated , semi - arid watershed of more than half a million square miles ( 1 , 300 , 000 km ), which includes parts of ten U . S . states and two Canadian provinces . When combined with the lower Mississippi ___MASK43___ , it forms the world ' s fourth longest ___MASK43___ system . St . ___MASK85___ is an independent city and major U . S . port in the State ___MASK24___ Missouri , built along the western bank ___MASK24___ the ___MASK1___ ___MASK43___ , on the border with Illinois . The city has an estimated 2015 population ___MASK24___ 315 , 685 , and is the cultural and economic ___MASK78___ ___MASK24___ the Greater St . ___MASK85___ area ( home to 2 , 916 , 447 people ), making it the largest metropolitan area in Missouri and the 19th - largest in the United States . ___MASK10___ ( see pronunciations ) is a state in the Midwestern region ___MASK24___ the United States , achieving statehood in 1821 . With over six million residents , it is the eighteenth most populous state and host to the mean ___MASK78___ ___MASK24___ United States population . The largest urban areas are St . Louis , Kansas City , Springfield , and Columbia . The capitol is in Jefferson City on the ___MASK10___ River . The state is the twenty - first most extensive by area and is geographically diverse . The ___MASK40___ Plains were once covered by glaciers , then tallgrass prairie , and now the deep soils yield great agricultural productivity . In the South are the Ozarks , a forested highland , providing timber , minerals , and recreation . The Mississippi River forms the eastern border ___MASK24___ the state , eventually flowing into the swampy ___MASK10___ Bootheel . The ___MASK10___ Bootheel is the southeasternmost part ___MASK24___ the state ___MASK24___ ___MASK10___ , extending south ___MASK24___ 36 ° 30  north latitude , so called because its shape in relation to the rest ___MASK24___ the state resembles the heel ___MASK24___ a boot . Strictly speaking , it is composed ___MASK24___ the counties ___MASK24___ Dunklin , New Madrid , and Pemiscot . However , the term is locally used to refer to the entire southeastern lowlands ___MASK24___ ___MASK10___ located within the ___MASK1___ Embayment , which includes parts ___MASK24___ Butler , ___MASK1___ , Ripley , Scott , Stoddard and extreme southern portions ___MASK24___ Cape Girardeau and Bollinger counties . The largest city in the region is Kennett . The tallgrass prairie is an ecosystem native to ___MASK66___ ___MASK91___ America . Natural and anthropogenic fire , as well as grazing by large mammals ( primarily bison ), were historically agents ___MASK24___ periodic disturbance , which regulates tree encroachment , recycles nutrients to the soil , and catalyzes some seed dispersal and germination processes . Prior to widespread use ___MASK24___ the steel plow , which enabled conversion to agricultural land use , tallgrass prairies expanded throughout the American Midwest and smaller portions ___MASK24___ southern ___MASK66___ Canada , from the transitional ecotones out ___MASK24___ eastern ___MASK91___ American forests , west to a climatic threshold based on precipitation and soils , to the southern reaches ___MASK24___ the Flint Hills in Oklahoma , to a transition into forest in Manitoba . ___MASK95___ is a U . S . state located in the Midwestern United States . Its capital is ___MASK73___ and its largest city is Wichita . ___MASK95___ is named after the Kansa Native American tribe , which inhabited the area . The tribe ' s name ( natively "") is often said to mean " people ___MASK24___ the wind " or " people ___MASK24___ the south wind ", although this was probably not the term ' s original meaning . For thousands ___MASK24___ years , what is now ___MASK95___ was home to numerous and diverse Native American tribes . Tribes in the eastern part ___MASK24___ the state generally lived in villages along the ___MASK43___ valleys . Tribes in the western part ___MASK24___ the state were semi - nomadic and hunted large herds ___MASK24___ bison . The Ozarks , also referred to as the ___MASK26___ Mountains , Ozarks ___MASK37___ Country , and the ___MASK26___ Plateau , is a physiographic and geologic highland region ___MASK24___ the central United States , primarily in ___MASK86___ , Missouri and Oklahoma . The Ozarks cover a significant portion ___MASK24___ southern Missouri , extending as far northeast as the southwestern suburbs ___MASK24___ St . Louis . In ___MASK86___ , a large portion is contained within the northwestern and northcentral region . Much smaller pieces ___MASK24___ the Ozarks extend westward into northeastern Oklahoma and extreme southeastern Kansas .