id author title date pages extension mime words sentences flesch summary cache txt en-wikipedia-org-9036 Western United States - Wikipedia .html text/html 10766 1687 66 The West contains several major biomes, including arid and semi-arid plateaus and plains, particularly in the American Southwest; forested mountains, including two major ranges, the American Sierra Nevada and Rocky Mountains; the long coastal shoreline of the American Pacific Coast; and the rainforests of the Pacific Northwest. The three inhabited Pacific U.S. territories (American Samoa, Guam and the Northern Mariana Islands) are sometimes considered part of the Western United States. According to the United States Coast Guard, "The Western Rivers System consists of the Mississippi, Ohio, Missouri, Illinois, Tennessee, Cumberland, Arkansas, and White Rivers and their tributaries, and certain other rivers that flow towards the Gulf of Mexico."[20] The Ohio River portion of the system includes parts of several Atlantic coastal states, from Georgia to New York.[21] In the outlying areas of the western United States, the largest population centers are Tafuna in American Samoa;[37] Dededo in Guam;[14] and Saipan in the Northern Mariana Islands.[15] ./cache/en-wikipedia-org-9036.html ./txt/en-wikipedia-org-9036.txt