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Lower Plains: Kansas, Nebraska

border with Iowa and Missouri. One of the Missouri River’s most important tributaries is the Platte River, which crosses through the cen- ter of the state. French explorers Pierre and Paul Mallet gave the river its name in 1739, based on the French word meaning “flat.” The Oto Indians, who lived in the area at the time,

to the north, and Kansas is on the south. Colorado’s border cuts into the southwestern corner of Nebraska at a right angle. This forms Nebraska’s panhandle , a strip of land extending westward from the main portion of the state. Wyoming borders the panhandle on the west. The Missouri River makes up Nebraska’s entire eastern

Words to Understand in This Chapter

aquifer— an underground layer of rock or soil that stores extractable water. badlands— a barren terrain where erosion has carved rock formations into striking shapes. commodity— a product that is bought and sold. encroachment— the gradual takeover of something that belongs to another person. indigenous— native to a particular region or environment. irrigation— the artificial application of water to the land to help in growing crops. nomadic— moving from place to place without having a fixed home. nonpartisan— not affiliated with any particular political party or group. panhandle— a strip of land projecting out from the main territory of one state into that of another. reservation— an area of public land set side for use by a Native American tribe. semi-sedentary— living in a settled place for most of the year, but moving around and living in temporary homes for the rest of the year. transcontinental— crossing an entire continent, from one end to the other. tributary— a river or stream that flows into a larger one.