Great Plains summary

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Below is the article summary. For the full article, see Great Plains.

oil well in mustard field, SaskatchewanPumping oil from a well in a field of mustard on the Great Plains in western Saskatchewan, near Maidstone.

Great Plains, Continental slope of central North America. It stretches from the Rio Grande at the U.S.-Mexico border in the south to the Mackenzie River delta along the Arctic Ocean in the north and from the Interior Lowlands and the Canadian Shield in the east to the Rocky Mountains in the west. The plains embrace parts of 10 U.S. states and 3 Canadian provinces, covering an area of about 1,125,000 sq mi (2,900,000 sq km). A high plateau of semiarid grassland, these prairie regions in both the U.S. and Canada produce the major proportion of wheat grown in each country and are also important cattle- and sheep-herding areas. Parts of the plains have reserves of coal and lignite, petroleum, and natural gas.

Plains Wars Summary

Plains Wars, series of conflicts from the early 1850s through the late 1870s between Native Americans and the United States, along with its Indian allies, over control of the Great Plains between the Mississippi River and the Rocky Mountains. The initial major confrontation, sometimes known as the

plateau Summary

Plateau, extensive area of flat upland usually bounded by an escarpment (i.e., steep slope) on all sides but sometimes enclosed by mountains. The essential criteria for plateaus are low relative relief and some altitude. Although plateaus stand at higher elevation than surrounding terrain, they

North America Summary

North America, third largest of the world’s continents, lying for the most part between the Arctic Circle and the Tropic of Cancer. It extends for more than 5,000 miles (8,000 km) to within 500 miles (800 km) of both the North Pole and the Equator and has an east-west extent of 5,000 miles. It