Portal:Alaska

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The flag of Alaska
Location of Alaska
The seal of Alaska

Alaska (/əˈlæskə/ ə-LASS-kə) is a non-contiguous U.S. state on the northwest extremity of North America. It borders the Canadian province of British Columbia and the Yukon territory to the east; it shares a western maritime border in the Bering Strait with Russia's Chukotka Autonomous Okrug. The Chukchi and Beaufort Seas of the Arctic Ocean lie to the north and the Pacific Ocean lies to the south. Technically a semi-exclave of the U.S., it is the largest exclave in the world.

Alaska is the largest U.S. state by area, comprising more total area than the next three largest states of Texas, California and Montana combined, and is the seventh-largest subnational division in the world. It is the third-least populous and most sparsely populated U.S. state, but is, with a population of 736,081 as of 2020, the continent's most populous territory located mostly north of the 60th parallel, with more than quadruple the combined populations of Northern Canada and Greenland. The state contains the second-largest and largest cities in the United States by area: the state capital of Juneau, and its former capital, Sitka, respectively. The state's most populous city is Anchorage and approximately half of Alaska's residents live within its metropolitan area.

Indigenous people have lived in Alaska for thousands of years, and it is widely believed that the region served as the entry point for the initial settlement of North America by way of the Bering land bridge. The Russian Empire was the first to actively colonize the area beginning in the 18th century, eventually establishing Russian America, which spanned most of the current state, and promoted and maintained a native Alaskan Creole population. The expense and logistical difficulty of maintaining this distant possession prompted its sale to the U.S. in 1867 for US$7.2 million (equivalent to $157 million in 2023). The area went through several administrative changes before becoming organized as a territory on May 11, 1912. It was admitted as the 49th state of the U.S. on January 3, 1959.

Abundant natural resources have enabled Alaska—with one of the smallest state economies—to have one of the highest per capita incomes, with commercial fishing, and the extraction of natural gas and oil, dominating Alaska's economy. U.S. Armed Forces bases and tourism also contribute to the economy; more than half the state is federally-owned land containing national forests, national parks, and wildlife refuges. It is among the most irreligious states, one of the first to legalize recreational marijuana, and is known for its libertarian-leaning political culture, generally supporting the Republican Party in national elections. The Indigenous population of Alaska is proportionally the second highest of any U.S. state, at over 15 percent, after only Hawaii. (Full article...)

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The Portage Glacier Highway, or Portage Glacier Road, is a highway located in the U.S. state of Alaska. The highway is made up of a series of roads, bridges, and tunnels that connect the Portage Glacier area of the Chugach National Forest and the city of Whittier to the Seward Highway. Most of the highway travels through mainly rural areas just north of the Kenai Peninsula, with the Anton Anderson Memorial Tunnel passing under Maynard Mountain, part of the Chugach Mountain Range. Parts of the route were first constructed in the early 1900s, and the entire highway was completed on June 7, 2000, as part of the Whittier Access Project. The main portion of the highway traveling from the western terminus to the Begich, Boggs Visitor Center at Portage Lake is designated as National Forest Highway 35 by the United States Forest Service (USFS). (Full article...)
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Aerial view of Salmon Creek Dam in Juneau, Alaska

The Salmon Creek Dam is a concrete arch dam on the Salmon Creek, 3 miles (5 km) northwest of Juneau, Alaska. Built in 1914, it is the world's first constant-angle arch variable radius dam. Since it was built, over 100 such dams have been constructed all over the world. The dam was designated as a National Historic Civil Engineering Landmark by the American Society of Civil Engineers in 2022.

The dam was built by the Alaska-Gastineau Mining Company to meet the electrical energy needs for mining operations. The dam continues to be fully functional for hydroelectric generation, as one of the drinking water sources to Juneau city and for aquaculture and fishing. When built, adoption of the constant arch design for the dam reduced costs by 20% because less concrete was needed to construct the dam. Of the two hydroelectric power stations built at the initial stage (one at the upper level and the other at the lower level) – the latter one is still in use after a new powerhouse was built adjoining the old one – it produces 10% of the energy needs of Juneau city. When built, the dam and its two power plants were considered engineering wonders. Both are operated and maintained by the Alaska Electric Light & Power (AEL&P). (Full article...)
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State facts

  • Total area: 663,268 mi2
    • Land: 571,936 mi2
    • Water: 91,332 mi2
  • Highest elevation: 20,310 ft (Denali)
  • Population 741,894 (2016 est)
  • Admission to the Union: January 3, 1959 (49th)

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