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The West (U.S.)

Western United States
Region
American West, Far West, or the West
Regional definitions vary from source to source. This map reflects the Western United States as defined by the Census Bureau. In turn, this region is sub-divided into Mountain and Pacific areas.[1]
Regional definitions vary from source to source. This map reflects the Western United States as defined by the Census Bureau. In turn, this region is sub-divided into Mountain and Pacific areas.
Country  United States
States  Alaska
 Arizona
 California
 Colorado
 Hawaii
 Idaho
 Montana
 Nevada
 New Mexico
 Oregon
 Utah
 Washington
 Wyoming

The Western United States, commonly referred to as the American West, the Far West, or simply the West, traditionally refers to the region comprising the westernmost states of the United States. Because European settlement in the U.S. expanded westward after its founding, the meaning of the West has evolved over time. Prior to about 1800, the crest of the Appalachian Mountains was seen as the western frontier.

Since then, the frontier generally moved westward and eventually lands west of the Mississippi River came to be referred to as the West. Though no consensus exists, even among experts, for the definition of the West as a region, the U.S. Census Bureau's definition of the 13 westernmost states includes the Rocky Mountains and the Great Basin to the West Coast, and the outlying states of Hawaii and Alaska.

The West contains several major biomes. It is known for arid to semi-arid plateaus and plains, particularly in the American Southwestforested mountains, including the major ranges of the American Sierra Nevada and Rocky Mountains – the massive coastal shoreline of the American Pacific Coast - and the rainforests of the Pacific Northwest.


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Wikipedia

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