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U.S.A.

The Land of the Free

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The United States is ranked as the world's third largest country by land area, but this is disputed as some sources list the People's Republic of China as larger than the U.S. The disputed ranking stems from ongoing debate over the political status of Taiwan, without which China is smaller than the United States

New York City

The contiguous U.S. is bounded by the North Atlantic Ocean to the east, the North Pacific Ocean to the west, Canada to the north, and Mexico to the south. Alaska is bounded by the Pacific to the south, the Arctic Ocean to the north, and Canada to the east. The island state of Hawaii is situated in the Pacific, southwest of the North American mainland.

Chicago

The landscape of the United States is extremely varied. In the east, rolling hills and temperate forests prevail, transitioning to prairies, boreal forests, and the relatively young Rocky Mountains in the west, with savanna and desert—including the Grand Canyon—among the more arid landscapes in the southwest. The northwest has the highest concentration of active volcanoes in the U.S. In the south, especially in Florida, subtropical forests and marshlands can be found. In Alaska, prominent mountain ranges rise up sharply from broad, flat tundra plains; numerous volcanoes can be found throughout the Alexander and Aleutian Islands south and west of the Alaskan mainland. Hawaii, a chain of tropical, volcanic islands, is a popular tourist attraction. Other major hydrographic features include the five Great Lakes and the St. Lawrence River and seaway in the northeast bordering with Canada. In addition, the Mississippi-Missouri River, which snakes through the central U.S., is the world's fourth longest river system.

Los Angeles

The United States is frequently affected by a large variety of natural disasters. A common threat is the tornado, especially in the South, the Great Plains, and other parts of the Midwest. Other problems include tropical cyclones along the Gulf of Mexico and Atlantic coasts, floods, and earthquakes, particularly in southern Alaska and around California. Droughts too are prevalent, with the worst being the infamous Dust Bowl of the 1930s. Recently, the western U.S. experienced widespread drought from 1999–2004, and signs of a major, long-term drought across the Great Plains have developed.

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..DOCTYPE HTML PUBLIC "-//SQ//DTD HTML 2.0 + all extensions//EN" "hmpro3.dtd" The Fifty States

Home Pages of the 50 States

Alabama Louisiana Ohio Alaska Maine Oklahoma Arizona Maryland Oregon Arkansas Massachusetts Pennsylvania California Michigan Rhode Island Colorado Minnesota South Carolina Connecticut Mississippi South Dakota Delaware Missouri Tennessee Florida Montana Texas Georgia Nebraska Utah Hawaii Nevada Vermont Idaho New Hampshire Virginia Illinois New Mexico Washington Indiana New Jersey West Virginia Iowa New York Wisconsin Kentucky North Carolina Wyoming Kansas North Dakota

The United States is the world's third largest country by land area, after Russia and Canada. It is bounded by the North Atlantic Ocean to the east, the North Pacific Ocean to the west, Mexico and the Gulf of Mexico to the south, and Canada to the north. Alaska also borders Canada, with the Pacific Ocean to its south and the Arctic Ocean to its north. West of Alaska, across the narrow Bering Strait, is Russia. The state of Hawaii occupies an archipelago in the Pacific Ocean, southwest of the North American mainland.

Terrain

The U.S. has an extremely varied geography, particularly in the West. The eastern seaboard has a coastal plain which is widest in the south and narrows in the north. The coastal plain does not exist north of New Jersey, although there are glacial outwash plains on Long Island, Martha's Vineyard, and Nantucket. In the extreme southeast, Florida is home to the ecologically unique Everglades.

Beyond the coastal plain, the rolling hills of the piedmont region end at the Appalachian Mountains, which rise above 6,000 feet (1,830 m) in North Carolina, Tennessee, and New Hampshire. From the west slope of the Appalachians, the Interior Plains of the Midwest are relatively flat and are the location of the Great Lakes as well as the Mississippi-Missouri River, the world's 4th longest river system. West of the Mississippi River, the Interior Plains slope uphill and blend into the vast and often featureless Great Plains.

The abrupt rise of the Rocky Mountains, at the western edge of the Great Plains, extends north to south across the continental U.S., reaching altitudes over 14,000 feet (4,270 m) in Colorado. In the past, the Rocky Mountains had a higher level of volcanic activity; nowadays, the range only has one area of volcanism (the supervolcano underlying Yellowstone National Park in Wyoming, possibly the world's largest volcano), although rift volcanism has occurred relatively recently near the Rockies' southern margin in New Mexico. Dozens of high mountain ranges, salt flats such as the Bonneville Salt Flats, and valleys are found in the Great Basin region located west of the Rockies and east of the Sierra Nevada, which also has deep chasms, including the Snake River. At the southwestern end of the Great Basin, Death Valley lies 282 feet (86 m) below sea level, the second lowest dry land on Earth. It is the lowest point in the Western Hemisphere and is situated near the Mojave Desert.

North of the Great Basin and east of the Cascade Range in the Northwest is the Columbia River Plateau, a large igneous province shaped by one of the largest flood basalts on Earth. It is marked by dark black rocks. Surrounding the Four Corners region lies the Colorado Plateau, named after the Colorado River, which flows through it. The Plateau is generally high in elevation, has highly eroded sandstone, and the soil is a blood red in some locations. Many national parks, such as Arches, Bryce Canyon, Grand Canyon, and Zion are in the area. West of the Great Basin, the Sierra Nevada mountain range has Mount Whitney, the highest peak in the coterminous U.S. Along the Pacific coast, the Coast Ranges and the volcanic Cascade Range extend from north to south across the country. The northwestern Pacific coast shares the world's largest temperate rain forest with Canada.

Alaska has numerous mountain ranges, including Mount McKinley (Denali), the highest peak in North America. Numerous volcanoes can be found throughout the Alexander and Aleutian Islands extending south and west of the Alaskan mainland.

The Hawaiian islands are tropical, volcanic islands extending over 1,500 miles (2,400 km), and consisting of six larger islands and another dozen smaller ones that are inhabited.