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Alaska is the largest state in the United States in terms of land area, 570,374 square miles (1,477,261 km²). In fact, it covers more than twice as much land than the next largest state, Texas. If a map of Alaska were superimposed upon a map of the Continental United States, Alaska would overlap Texas, Oklahoma, Kansas, New Mexico and Colorado. Alaska has the longest coastline of any state. One scheme for describing the state's geography is by labeling the regions: South Central Alaska is the southern coastal region and is the population center for the state. The Municipality of Anchorage and many small but growing towns, such as Palmer, and Wasilla, lie within this area. Petroleum industrial plants, transportation, tourism, and two military bases form the core of the economy here. The Alaska Panhandle, also known as Southeast Alaska, is home to Juneau, many small towns, tidewater glaciers and extensive forests. Tourism, fishing, forestry and state government anchor the economy. The Alaska Interior is home to Fairbanks. The geography is marked by large braided rivers, such as the Yukon River and the Kuskokwim River, as well as Arctic tundra lands and shorelines. The Alaskan Bush is the remote, less crowded part of the state, encompassing 380 native villages and small towns such as Nome, Bethel, Kotzebue and, most famously, Barrow, the northernmost town in the United States. The northeast corner of Alaska is covered by the Arctic National Wildlife Refuge, which covers 19,049,236 acres (79,318 km²). With its numerous islands, Alaska has nearly 34,000 miles (54,700 km) of tidal shoreline. The island chain extending west from the southern tip of the Alaska Peninsula is called the Aleutian Islands. Many active volcanoes are found in the Aleutians. For example, Unimak Island is home to Mount Shishaldin, a moderately active volcano that rises to 9,980 ft (3,042 m) above sea level. The chain of volcanoes extends to Mount Spurr, west of Anchorage on the mainland. Alaska is one of the two states that is not bordered by another US state, Hawaii being the other. It is the only state that is both in North America and is not part of the 48 contiguous states; about 500 miles (800 km) of Canadian territory separate Alaska from Washington. Therefore, Alaska is an exclave of the United States that is part of the continental U.S. but is not part of the contiguous U.S. It is also the only mainland state whose capital city is accessible only via ship or air. There are no roads connecting Juneau to the rest of the state. It is bordered by Yukon Territory and British Columbia, Canada to the east, the Gulf of Alaska and the Pacific Ocean to the south, the Bering Sea, Bering Strait, and Chukchi Sea to the west, and the Beaufort Sea and the Arctic Ocean to the north. Alaska is the largest state by area in the United States. It is larger in area than all but 18 of the world's nations.
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