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134-576: The Lowe River is a 28-mile (45 km) long river in Alaska . It begins at glacier known as Deserted Glacier in the Chugach Mountains . The upper river then passes through Heiden Canyon before meeting and paralleling the Richardson Highway . Following this, it enters the narrow and steeply walled Keystone Canyon , which marks the transition between the upper and lower river. The lower river exits

268-453: A moment magnitude of 9.2 (more than a thousand times as powerful as the 1989 San Francisco earthquake ). The time of day (5:36 pm), time of year (spring) and location of the epicenter were all cited as factors in potentially sparing thousands of lives, particularly in Anchorage. Alaska suffered a more severe megathrust earthquake on July 11, 1585, estimated at magnitude 9.25, which remains

402-864: A Native American source population related to the Ainu ancestors, the Jōmon . Paleo-Indian skeletons in the Americas such as Kennewick Man (Washington State), Hoya Negro skeleton (Yucatán), Luzia Woman and other skulls from the Lagoa Santa site (Brazil), Buhl Woman (Idaho), Peñon Woman III , two skulls from the Tlapacoya site (Mexico City), and 33 skulls from Baja California have exhibited certain craniofacial traits distinct from most modern Native Americans, leading physical anthropologists to posit an earlier "Paleoamerican" population wave. The most basic measured distinguishing trait

536-650: A branch of Ancient East Asians migrated to Northeastern Siberia, and mixed with descendants of the ANE, leading to the emergence of Ancient Paleo-Siberian and Native American populations in Extreme Northeastern Asia. However, the Beringian standstill hypothesis is not supported by paternal DNA evidence, which may reflect different population histories for paternal and maternal lineages in Native Americans, which

670-399: A convoy to Valdez. On the advice of military and civilian leaders, President Lyndon B. Johnson declared all of Alaska a major disaster area the day after the quake. The U.S. Navy and U.S. Coast Guard deployed ships to isolated coastal communities to assist with immediate needs. Bad weather and poor visibility hampered air rescue and observation efforts the day after the quake, but on Sunday

804-611: A daughter population of ancient East Asians, who they encountered around 25,000 years ago, which led to the emergence of Native American ancestral populations. However, the exact location where the admixture took place is unknown, and the migratory movements that united the two populations are a matter of debate. One theory supposes that Ancient North Eurasians migrated south to East Asia , or Southern Siberia , where they would have encountered and mixed with ancient East Asians. Genetic evidence from Lake Baikal in Russia supports this area as

938-471: A lineage found among Native Americans and Han Chinese, emerged around 20,000 BP, constraining the emergence of D4h3 to post-LGM. Age estimates based on Y-chromosome micro-satellite diversity place origin of the American Haplogroup Q1a3a (Y-DNA) at around 15,000 to 10,000 BP. Greater consistency of DNA molecular evolution rate models with each other and with archaeological data may be gained by

1072-462: A longer coastline than all the other U.S. states combined. At 663,268 square miles (1,717,856 km ) in total area, Alaska is by far the largest state in the United States. Alaska is more than twice the size of the second-largest U.S. state (Texas), and it is larger than the next three largest states (Texas, California, and Montana) combined. Alaska is the seventh largest subnational division in

1206-404: A lure for coastal migration. Reconstruction of the southern Beringian coastline also suggests potential for a highly productive coastal marine environment. Pollen data indicate a warm period culminating between 17,000 and 13,000 BP followed by cooling between 13,000 and 11,500 BP. Coastal areas deglaciated rapidly as coastal alpine glaciers, then lobes of Cordilleran ice, retreated. The retreat

1340-797: A massive underwater landslide, resulting in the deaths of 32 people between the collapse of the Valdez city harbor and docks, and inside the ship that was docked there at the time. Nearby, a 27-foot (8.2 m) tsunami destroyed the village of Chenega , killing 23 of the 68 people who lived there; survivors out-ran the wave, climbing to high ground. Post-quake tsunamis severely affected Whittier , Seward , Kodiak, and other Alaskan communities, as well as people and property in British Columbia, Washington , Oregon , and California . Tsunamis also caused damage in Hawaii and Japan . Evidence of motion directly related to

1474-505: A much earlier date, possibly 40,000 years ago, followed by a much later second wave of immigrants. The Clovis First theory, which dominated thinking on New World anthropology for much of the 20th century, was challenged in the 2000s by the secure dating of archaeological sites in the Americas to before 13,000 years ago. The archaeological sites in the Americas with the oldest dates that have gained broad acceptance are all compatible with an age of about 15,000 years. This includes

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1608-645: A population that was genetically separate from other native groups present elsewhere in the New World at the end of the Pleistocene . Ben Potter, the University of Alaska Fairbanks archaeologist who unearthed the remains at the Upward Sun River site in 2013, named this new group Ancient Beringian . The Tlingit people developed a society with a matrilineal kinship system of property inheritance and descent in what

1742-635: A river in Alaska is a stub . You can help Misplaced Pages by expanding it . Alaska Alaska ( / ə ˈ l æ s k ə / ə- LASS -kə ) is a non-contiguous U.S. state on the northwest extremity of North America . Part of the Western United States region, it is one of the two non-contiguous U.S. states, alongside Hawaii . Alaska is also considered to be the northernmost, westernmost, and easternmost (the Aleutian Islands cross

1876-633: A total of 50 Aleut civilians and eight sailors were interned in Japan. About half of the Aleuts died during the period of internment. Unalaska / Dutch Harbor and Adak became significant bases for the United States Army , United States Army Air Forces and United States Navy. The United States Lend-Lease program involved flying American warplanes through Canada to Fairbanks and then Nome ; Soviet pilots took possession of these aircraft, ferrying them to fight

2010-426: Is a semi-exclave of the U.S., and is the largest exclave in the world. Alaska is the largest U.S. state by area, comprising more total area than the following 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 ,

2144-787: Is based on the testimony of Chukchi geographer Nikolai Daurkin, who had visited Alaska in 1764–1765 and who had reported on a village on the Kheuveren River, populated by "bearded men" who "pray to the icons ". Some modern researchers associate Kheuveren with Koyuk River . The first European vessel to reach Alaska is generally held to be the St. Gabriel under the authority of the surveyor M. S. Gvozdev and assistant navigator I. Fyodorov on August 21, 1732, during an expedition of Siberian Cossack A. F. Shestakov and Russian explorer Dmitry Pavlutsky (1729–1735). Another European contact with Alaska occurred in 1741, when Vitus Bering led an expedition for

2278-843: Is bordered by Canada's Yukon and British Columbia to the east (making it the only state to border only a Canadian territory ); the Gulf of Alaska and the Pacific Ocean to the south and southwest; the Bering Sea , Bering Strait , and Chukchi Sea to the west; and the Arctic Ocean to the north. Alaska's territorial waters touch Russia's territorial waters in the Bering Strait, as the Russian Big Diomede Island and Alaskan Little Diomede Island are only 3 miles (4.8 km) apart. Alaska has

2412-479: Is divided into boroughs . Delegates to the Alaska Constitutional Convention wanted to avoid the pitfalls of the traditional county system and adopted their own unique model. Many of the more densely populated parts of the state are part of Alaska's 16 boroughs, which function somewhat similarly to counties in other states. Unlike county-equivalents in the other states, the boroughs do not cover

2546-554: Is home to Mount Shishaldin , which is an occasionally smoldering volcano that rises to 10,000 feet (3,000 m) above the North Pacific. The chain of volcanoes extends to Mount Spurr , west of Anchorage on the mainland. Geologists have identified Alaska as part of Wrangellia , a large region consisting of multiple states and Canadian provinces in the Pacific Northwest , which is actively undergoing continent building . One of

2680-614: Is known for its massive reserves of crude oil and contains both the National Petroleum Reserve–Alaska and the Prudhoe Bay Oil Field . The city of Utqiaġvik , formerly known as Barrow, is the northernmost city in the United States and is located here. The Northwest Arctic area , anchored by Kotzebue and also containing the Kobuk River valley, is often considered part of this region. The respective Inupiat of

2814-531: Is less than 100%. The HTLV virus genome has been mapped, allowing identification of four major strains and analysis of their antiquity through mutations. The highest geographic concentrations of the strain HLTV-1 are in sub-Saharan Africa and Japan. In Japan, it occurs in its highest concentration on Kyushu . It is also present among African descendants and native populations in the Caribbean region and South America. It

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2948-451: Is maintained by the Office of History and Archaeology. The survey's inventory of cultural resources includes objects, structures, buildings, sites, districts, and travel ways, with a general provision that they are more than fifty years old. As of 31 January 2012 , more than 35,000 sites have been reported. Alaska is not divided into counties , as most of the other U.S. states, but it

3082-610: Is not uncommon and has been observed in other populations. A 2019 study suggested that Native Americans are the closest living relatives to 10,000-year-old fossils found near the Kolyma River in northeastern Siberia. A study published in July 2022 suggested that people in southern China may have contributed to the Native American gene pool, based on the discovery and DNA analysis of 14,000-year-old human fossils. The contrast between

3216-506: Is now Southeast Alaska , became the capital of Russian America . It remained the capital after the colony was transferred to the United States. The Russians never fully colonized Alaska, and the colony was never very profitable. Evidence of Russian settlement in names and churches survives throughout southeastern Alaska. In 1867, William H. Seward , the United States Secretary of State under President Andrew Johnson , negotiated

3350-506: Is now Western Canada , would have allowed migration before the beginning of the Holocene . However, a 2016 study has argued against this, suggesting that the peopling of North America via such a corridor is unlikely to significantly pre-date the earliest Clovis sites. The study concludes that the ice-free corridor in what is now Alberta and British Columbia "was gradually taken over by a boreal forest dominated by spruce and pine trees" and that

3484-643: Is one of the five mtDNA haplogroups found in Indigenous Americans. Native Americans mostly belong to the X2a clade, which has never been found in the Old World . According to Jennifer Raff , X2a probably originated in the same Siberian population as the other four founding maternal lineages, and that there is no compelling reason to believe it is related to X lineages found in Europe or West Eurasia. The Kennewick man fossil

3618-605: Is owned and managed by the U.S. federal government as public lands, including a multitude of national forests , national parks, and national wildlife refuges . Of these, the Bureau of Land Management manages 87 million acres (35 million hectares), or 23.8% of the state. The Arctic National Wildlife Refuge is managed by the United States Fish and Wildlife Service . It is the world's largest wildlife refuge, comprising 16 million acres (6.5 million hectares). Of

3752-745: Is rare in Central America and North America. Its distribution in the Americas has been regarded as due to importation with the slave trade. The Ainu have developed antibodies to HTLV-1, indicating its endemicity to the Ainu and its antiquity in Japan. A subtype "A" has been defined and identified among the Japanese (including Ainu ), and among Caribbean and South American isolates. A subtype "B" has been identified in Japan and India. In 1995, Native Americans in coastal British Columbia were found to have both subtypes A and B. Bone marrow specimens from an Andean mummy about 1500 years old were reported to have shown

3886-516: Is technically part of the continental U.S. , but is not usually included in the colloquial use of the term; Alaska is not part of the contiguous U.S. , often called " the Lower 48 ". The capital city, Juneau , is situated on the mainland of the North American continent but is not connected by road to the rest of the North American highway system. The largest lake in Alaska is Lake Illiamna . The state

4020-527: Is the dolichocephaly of the skull. Some modern isolated populations such as the Pericúes of Baja California and the Fuegians of Tierra del Fuego exhibit that same morphological trait. Other anthropologists advocate an alternative hypothesis that evolution of an original Beringian phenotype gave rise to a distinct morphology that was similar in all known Paleoamerican skulls, followed by later convergence towards

4154-594: Is the largest glacier in North America, covering 2,008 square miles (5,200 km ) alone. There are no officially defined borders demarcating the various regions of Alaska, but there are five/six regions that the state is most commonly broken up into: The most populous region of Alaska contains Anchorage , the Matanuska-Susitna Valley and the Kenai Peninsula . Rural, mostly unpopulated areas south of

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4288-576: Is the northernmost and westernmost state in the United States, but also has the most easterly longitude in the United States because the Aleutian Islands extend into the Eastern Hemisphere . Alaska is the only non- contiguous U.S. state on continental North America; about 500 miles (800 km) of Canadian territory consisting of British Columbia (in Canada ) separates Alaska from Washington . It

4422-601: Is today Southeast Alaska, along with parts of British Columbia and the Yukon . Also in Southeast were the Haida , now well known for their unique arts. The Tsimshian people came to Alaska from British Columbia in 1887, when President Grover Cleveland , and later the U.S. Congress, granted them permission to settle on Annette Island and found the town of Metlakatla, Alaska . All three of these peoples, as well as other indigenous peoples of

4556-537: 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

4690-622: The Exxon Valdez hit a reef in the Prince William Sound, spilling more than 11 million gallons (42 megalitres) of crude oil over 1,100 miles (1,800 km) of coastline. Today, the battle between philosophies of development and conservation is seen in the contentious debate over oil drilling in the Arctic National Wildlife Refuge and the proposed Pebble Mine . Located at the northwest corner of North America , Alaska

4824-629: The 180th meridian into the eastern hemisphere) state in the United States. It borders the Canadian territory of Yukon and the province of British Columbia 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, it

4958-631: The Alaska Peninsula are considered part of the Southwest, with the Aleutian Islands often (but not always) being grouped in as well. While primarily part of Southwest Alaska when grouped economically, the Aleutian islands are sometimes recognized as an alternate group from the rest of the region due to the geographic separation from the continent. More than 300 small volcanic islands make up this chain, which stretches more than 1,200 miles (1,900 km) into

5092-727: The Alaska Purchase (referred to pejoratively as Seward's Folly) with the Russians for $ 7.2 million. Russia's contemporary ruler Tsar Alexander II , the Emperor of the Russian Empire , King of Poland and Grand Duke of Finland , also planned the sale; the purchase was made on March 30, 1867. Six months later the commissioners arrived in Sitka and the formal transfer was arranged; the formal flag-raising took place at Fort Sitka on October 18, 1867. In

5226-612: The Alaska Purchase . The region is dominated by the Alexander Archipelago as well as the Tongass National Forest , the largest national forest in the United States. It contains the state capital Juneau , the former capital Sitka , and Ketchikan , at one time Alaska's largest city. The Alaska Marine Highway provides a vital surface transportation link throughout the area and country, as only three communities ( Haines , Hyder and Skagway ) enjoy direct connections to

5360-641: The Alaska Range and west of the Wrangell Mountains also fall within the definition of South Central, as do the Prince William Sound area and the communities of Cordova and Valdez . Also referred to as the Panhandle or Inside Passage , this is the region of Alaska closest to the contiguous states. As such, this was where most of the initial non-indigenous settlement occurred in the years following

5494-427: The Alexander Archipelago . The now-submerged coastal plain has potential for more refugia. Pollen data indicate mostly herb/shrub tundra vegetation in unglaciated areas, with some boreal forest towards the southern end of the range of Cordilleran ice. The coastal marine environment remained productive, as indicated by fossils of pinnipeds . The highly productive kelp forests over rocky marine shallows may have been

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5628-764: The Buttermilk Creek Complex in Texas, the Meadowcroft Rockshelter site in Pennsylvania and the Monte Verde site in southern Chile. Archaeological evidence of pre- Clovis people points to the South Carolina Topper Site being 16,000 years old, at a time when the glacial maximum would have theoretically allowed for lower coastlines. It has often been suggested that an ice-free corridor, in what

5762-508: The Last Glacial Maximum (LGM), the Beringian land bridge was again submerged. Estimates of the final re-submergence of the Beringian land bridge based purely on present bathymetry of the Bering Strait and eustatic sea level curve place the event around 11,000 years BP (Figure 1). Ongoing research reconstructing Beringian paleogeography during deglaciation could change that estimate and possible earlier submergence could further constrain models of human migration into North America. The onset of

5896-412: The National Wildlife Refuge system , parts of 25 rivers to the National Wild and Scenic Rivers system , 3.3 million acres (13,000 km ) to National Forest lands , and 43.6 million acres (176,000 km ) to National Park land . Because of the Act, Alaska now contains two-thirds of all American national parklands. Today, more than half of Alaskan land is owned by the Federal Government . In 1989,

6030-421: The North American extinction event that occurred at the end of the Pleistocene. Their genome , however, contains evidence of a bottleneck – something that can be used to test hypothesis on migrations between the two continents. Early human groups were largely nomadic , relying on following food sources for survival. Mobility was part of what made humans successful. As nomadic groups, early humans likely followed

6164-445: The Puget lowlands up to 16,800 BP. Even during the maximum extent of coastal ice, unglaciated refugia persisted on present-day islands, that supported terrestrial and marine mammals. As deglaciation occurred, refugia expanded until the coast became ice-free by 15,000 BP. The retreat of glaciers on the Alaskan Peninsula provided access from Beringia to the Pacific coast by around 17,000 BP. The ice barrier between interior Alaska and

6298-431: The Quaternary glaciation , following herds of now-extinct Pleistocene megafauna along ice-free corridors that stretched between the Laurentide and Cordilleran ice sheets. Another route proposed is that, either on foot or using boats , they migrated down the Pacific coast to South America as far as Chile . Any archaeological evidence of coastal occupation during the last Ice Age would now have been covered by

6432-494: 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. The name "Alaska" ( Russian : Аля́ска , romanized :  Aljáska ) was introduced during the Russian colonial period when it was used to refer to the Alaska Peninsula . It was derived from an Aleut-language idiom , alaxsxaq , meaning "the mainland" or, more literally, "the object towards which

6566-403: The Sea of Okhotsk , shows a marked shift from tree and shrub pollen to herb pollen prior to 30,000 BP, as herb tundra replaced boreal forest and shrub steppe going into the LGM. A similar record of tree/shrub pollen being replaced with herb pollen as the LGM approached was recovered near the Kolyma River in Arctic Siberia. The abandonment of the northern regions of Siberia due to rapid cooling or

6700-426: The Ulchis of the lower Amur River region (4 among 87 sampled, or 4.6%), along with Subhaplogroup C1a (1 among 87, or 1.1%). Subhaplogroup C1a is regarded as a close sister clade of the Native American Subhaplogroup C1b. Subhaplogroup D1a has also been found among ancient Jōmon skeletons from Hokkaido The modern Ainu are regarded as descendants of the Jōmon. The occurrence of the Subhaplogroups D1a and C1a in

6834-418: The public record in Alaska. The state is divided into 34 recording districts which are centrally administered under a state recorder . All recording districts use the same acceptance criteria, fee schedule, etc., for accepting documents into the public record. Whereas many U.S. states use a three-tiered system of decentralization—state/county/township—most of Alaska uses only two tiers—state/borough. Owing to

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6968-429: The sea level rise , up to a hundred metres since then. The precise date for the peopling of the Americas is a long-standing open question. While advances in archaeology , Pleistocene geology , physical anthropology , and DNA analysis have progressively shed more light on the subject, significant questions remain unresolved. The " Clovis first theory" refers to the hypothesis that the Clovis culture represents

7102-440: The "Clovis people likely came from the south, not the north, perhaps following wild animals such as bison ". An alternative hypothesis for the peopling of America is coastal migration , which may have been feasible along the deglaciated (but now submerged) coastline of the Pacific Northwest from about 16,000 years ago. Pre-LGM migration across Beringia has been proposed to explain purported pre-LGM ages of archaeological sites in

7236-419: The 29th the situation improved and rescue helicopters and observation aircraft were deployed. A military airlift immediately began shipping relief supplies to Alaska, eventually delivering 2,570,000 pounds (1,170,000 kg) of food and other supplies. Broadcast journalist, Genie Chance , assisted in recovery and relief efforts, staying on the KENI air waves over Anchorage for more than 24 continuous hours as

7370-528: The Alaska Division of Emergency Services to respond to any future disasters. The 1968 discovery of oil at Prudhoe Bay and the 1977 completion of the Trans-Alaska Pipeline System led to an oil boom. Royalty revenues from oil have funded large state budgets from 1980 onward. Oil production was not the only economic value of Alaska's land. In the second half of the 20th century, Alaska discovered tourism as an important source of revenue. Tourism became popular after World War II when military personnel stationed in

7504-409: The Americas followed by isolation of the northern population following closure of the ice-free corridor. Evidence of Australo-Melanesians admixture in Amazonian populations was found by Skoglund and Reich (2016). A study of the diversification of mtDNA Haplogroups C and D from southern Siberia and eastern Asia, respectively, suggests that the parent lineage (Subhaplogroup D4h) of Subhaplogroup D4h3,

7638-408: The Americas occurring around 10,000 to 15,000 years after isolation of the small founding population . Another model (Kitchen et al. 2008) proposes that migration into Beringia occurred approximately 36,000 BP, followed by 20,000 years of isolation in Beringia. A third model (Nomatto et al. 2009) proposes that migration into Beringia occurred between 40,000 and 30,000 BP, with a pre-LGM migration into

7772-663: The Americas such as Bluefish Caves and Old Crow Flats in the Yukon Territory , and Meadowcroft Rock Shelter in Pennsylvania. The oldest archaeological sites on the Alaskan side of Beringia date to around 14,000 BP. It is possible that a small founder population had entered Beringia before that time. However, archaeological sites that date closer to the LGM on either the Siberian or the Alaskan side of Beringia are lacking. Biomarker and microfossil analyses of sediments from Lake E5 and Burial Lake in northern Alaska suggest human presence in eastern Beringia as early as 34,000 years ago. These sedimentary analyses have been suggested to be

7906-558: The German invasion of the Soviet Union . The construction of military bases contributed to the population growth of some Alaskan cities. Statehood for Alaska was an important cause of James Wickersham early in his tenure as a congressional delegate. Decades later, the statehood movement gained its first real momentum following a territorial referendum in 1946. The Alaska Statehood Committee and Alaska's Constitutional Convention would soon follow. Statehood supporters also found themselves fighting major battles against political foes, mostly in

8040-489: The LGM, due to cold and dry conditions. Coastal environments during the Last Glacial Maximum were complex. The lowered sea level, and an isostatic bulge equilibrated with the depression beneath the Cordilleran Ice Sheet, exposed the continental shelf to form a coastal plain. While much of the coastal plain was covered with piedmont glaciers, unglaciated refugia supporting terrestrial mammals have been identified on Haida Gwaii , Prince of Wales Island , and outer islands of

8174-401: The Last Glacial Maximum after 30,000 years BP saw the expansion of alpine glaciers and continental ice sheets that blocked migration routes out of Beringia. By 21,000 years BP, and possibly thousands of years earlier, the Cordilleran and Laurentide ice sheets coalesced east of the Rocky Mountains , closing off a potential migration route into the center of North America. Alpine glaciers in

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8308-497: The Last Glacial Maximum, climates in eastern Siberia fluctuated between conditions approximating present day conditions and colder periods. The pre-LGM warm cycles in Arctic Siberia saw flourishes of megafaunas. The oxygen isotope record from the Greenland Ice Cap suggests that these cycles after about 45,000 BP lasted anywhere from hundreds to between one and two thousand years, with greater duration of cold periods starting around 32,000 BP. The pollen record from Elikchan Lake, north of

8442-407: The North Slope and of the Northwest Arctic seldom consider themselves to be one people. Southwest Alaska is a sparsely inhabited region stretching some 500 miles (800 km) inland from the Bering Sea. Most of the population lives along the coast. Kodiak Island is also located in the Southwest. The massive Yukon–Kuskokwim Delta , one of the largest river deltas in the world, is here. Portions of

8576-507: The Pacific Northwest Coast , experienced smallpox outbreaks from the late 18th through the mid- 19th century , with the most devastating epidemics occurring in the 1830s and 1860s, resulting in high fatalities and social disruption. Some researchers believe the first Russian settlement in Alaska was established in the 17th century. According to this hypothesis, in 1648 several koches of Semyon Dezhnyov 's expedition came ashore in Alaska by storm and founded this settlement. This hypothesis

8710-415: The Pacific Northwest. In 1789, a Spanish settlement and fort were built in Nootka Sound . These expeditions gave names to places such as Valdez , Bucareli Sound , and Cordova . Later, the Russian-American Company carried out an expanded colonization program during the early-to-mid-19th century. Sitka , renamed New Archangel from 1804 to 1867, on Baranof Island in the Alexander Archipelago in what

8844-439: The Pacific Ocean. Some of these islands fall in the Eastern Hemisphere, but the International Date Line was drawn west of 180° to keep the whole state, and thus the entire North American continent, within the same legal day. Two of the islands, Attu and Kiska , were occupied by Japanese forces during World War II. According to an October 1998 report by the United States Bureau of Land Management , approximately 65% of Alaska

8978-508: The Pacific coast broke up starting around 16,200 BP. The ice-free corridor to the interior of North America opened between 13,000 and 12,000 BP. Glaciation in eastern Siberia during the LGM was limited to alpine and valley glaciers in mountain ranges and did not block access between Siberia and Beringia. The paleoclimates and vegetation of eastern Siberia and Alaska during the Wisconsin glaciation have been deduced from high resolution oxygen isotope data and pollen stratigraphy . Prior to

9112-401: The Russian Navy aboard the St. Peter . After his crew returned to Russia with sea otter pelts judged to be the finest fur in the world, small associations of fur traders began to sail from the shores of Siberia toward the Aleutian Islands. The first permanent European settlement was founded in 1784. Between 1774 and 1800, Spain sent several expeditions to Alaska to assert its claim over

9246-437: 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

9380-436: The U.S. Congress but also within Alaska. Statehood was approved by the U.S. Congress on July 7, 1958; Alaska was officially proclaimed a state on January 3, 1959. On March 27, 1964, the massive Good Friday earthquake killed 133 people and destroyed several villages and portions of large coastal communities, mainly by the resultant tsunamis and landslides. It was the fourth-most-powerful earthquake in recorded history, with

9514-446: The action of the sea is directed". Numerous indigenous peoples occupied Alaska for thousands of years before the arrival of European peoples to the area. Linguistic and DNA studies done here have provided evidence for the settlement of North America by way of the Bering land bridge . At the Upward Sun River site in the Tanana Valley in Alaska, remains of a six-week-old infant were found. The baby's DNA showed that she belonged to

9648-652: The beginning of the cooling period that led into the LGM. A compilation of archaeological site dates throughout eastern Siberia suggest that the cooling period caused a retreat of humans southwards. Pre-LGM lithic evidence in Siberia indicate a settled lifestyle that was based on local resources, while post-LGM lithic evidence indicate a more migratory lifestyle. A 2021 discovery of human footprints in relict lake sediments near White Sands National Park in New Mexico demonstrated there

9782-574: The bottom of this section lists the 100 largest cities and census-designated places in Alaska, in population order. Settlement of the Americas While there is general agreement that the Americas were first settled from Asia, the pattern of migration and the place(s) of origin in Eurasia of the peoples who migrated to the Americas remain unclear. The traditional theory is that Ancient Beringians moved when sea levels were significantly lowered due to

9916-467: The canyon and turns northwest into a broad valley approximately 10 miles in length. It finally flows into the head of Port Valdez , an arm of Prince William Sound near Valdez . It was named by William R. Abercrombie in honor of Lt. Perceval Lowe, a member of an exploratory mission in the area led by Abercrombie. 61°05′29″N 146°14′54″W  /  61.0913°N 146.2483°W  / 61.0913; -146.2483 This article related to

10050-489: The ceremony, 250 uniformed U.S. soldiers marched to the governor's house at "Castle Hill", where the Russian troops lowered the Russian flag and the U.S. flag was raised. This event is celebrated as Alaska Day , a legal holiday on October 18. Alaska was loosely governed by the military initially and was administered as a district starting in 1884, with a governor appointed by the United States president. A federal district court

10184-521: The chronology of the controversial Pedra Furada rock shelter in Piauí , Brazil . More recently, studies at the archaeological sites Santa Elina (27000-10000 years BP) in the midwest, and Rincão I (20000-12000 years BP) in southeastern Brazil also show associations of evidence of human presence with sediments dating from before the LGM. A 2003 study dated evidence for the controlled use of fire to before 40,000 years ago. Additional evidence has been adduced from

10318-539: The city proper and the communities of Eagle River, Chugiak, Peters Creek, Girdwood, Bird, and Indian. Fairbanks has a separate borough (the Fairbanks North Star Borough ) and municipality (the City of Fairbanks). The state's most populous city is Anchorage , home to 291,247 people in 2020. The richest location in Alaska by per capita income is Denali ($ 42,245). Yakutat City , Sitka, Juneau, and Anchorage are

10452-615: The coastal ranges and the Alaskan Peninsula isolated the interior of Beringia from the Pacific coast. Coastal alpine glaciers and lobes of Cordilleran ice coalesced into piedmont glaciers that covered large stretches of the coastline as far south as Vancouver Island and formed an ice lobe across the Straits of Juan de Fuca by 18,000 BP. Coastal alpine glaciers started to retreat around 19,000 BP while Cordilleran ice continued advancing in

10586-429: The community, disseminating information about shelters and prepared food rations, passing messages of well-being between loved ones, and helping to reunite families. In the longer term, the U.S. Army Corps of Engineers led the effort to rebuild roads, clear debris, and establish new townsites for communities that had been completely destroyed, at a cost of $ 110 million. The West Coast and Alaska Tsunami Warning Center

10720-410: The contiguous North American road system. The Interior is the largest region of Alaska; much of it is uninhabited wilderness. Fairbanks is the only large city in the region. Denali National Park and Preserve is located here. Denali , formerly Mount McKinley, is the highest mountain in North America and is also located here. The North Slope is mostly tundra peppered with small villages. The area

10854-492: 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 four largest cities in the United States by area , including the state capital of Juneau . 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

10988-456: The damage done by the earthquake to the city. The team, called the Engineering and Geological Evaluation Group, was headed by Ruth A. M. Schmidt , a geology professor at the University of Alaska Anchorage . The team of scientists came into conflict with local developers and downtown business owners who wanted to immediately rebuild; the scientists wanted to identify future dangers to ensure that

11122-399: The dating of marine terraces, and high-resolution oxygen isotope sampling from ocean basins and modern ice caps. A drop of eustatic sea level by about 60 to 120 metres (200 to 390 ft) from present-day levels, commencing around 30,000 years Before Present (BP), created Beringia , a durable and extensive geographic feature connecting Siberia with Alaska. With the rise of sea level after

11256-627: The deglaciated landscape increased slowly. The earliest possible viability of the ice-free corridor as a human migration route has been estimated at 11,500 BP. Birch forests were advancing across former herb tundra in Beringia by 17,000 BP in response to climatic amelioration, indicating increased productivity of the landscape. Analyses of biomarkers and microfossils preserved in sediments from Lake E5 and Burial Lake in northern Alaska suggest early humans burned Beringian landscapes as early as 34,000 years ago. The authors of these studies suggest that fire

11390-610: The development of human Y-chromosome DNA haplogroups (yDNA haplogroups ) and human mitochondrial DNA haplogroups (mtDNA haplogroups) characteristic of Native American populations. Models of molecular evolution rates were used to estimate the ages at which Native American DNA lineages branched off from their parent lineages in Asia and to deduce the ages of demographic events. One model (Tammetal 2007) based on Native American mtDNA Haplotypes (Figure 2) proposes that migration into Beringia occurred between 30,000 and 25,000 BP, with migration into

11524-468: The earliest human presence in the Americas about 13,000 years ago. Evidence of pre-Clovis cultures has accumulated and pushed back the possible date of the first peopling of the Americas. Academics generally believe that humans reached North America south of the Laurentide Ice Sheet at some point between 15,000 and 20,000 years ago. Some new controversial archaeological evidence suggests

11658-472: The early 21st century, the models of the chronology of migration are divided into two general approaches. The first is the short chronology theory , that the first migration occurred after the LGM, which went into decline after about 19,000 years ago, and was then followed by successive waves of immigrants. The second theory is the long chronology theory, which proposes that the first group of people entered Beringia, including ice-free parts of Alaska, at

11792-454: The early human groups who hunted them. Bison , a type of megafauna, have been identified as an ideal candidate for the tracing of human migrations out of Europe because of both their abundance in North America as well as being one of the first megafauna for which ancient DNA was used to trace patterns of population movement. Unlike other types of fauna that moved between the Americas and Eurasia ( mammoths , horses , and lions ), Bison survived

11926-512: The earthquake was also reported from Florida and Texas . Alaska had never experienced a major disaster in a highly populated area before and had very limited resources for dealing with the effects of such an event. In Anchorage, at the urging of geologist Lidia Selkregg , the City of Anchorage and the Alaska State Housing Authority appointed a team of 40 scientists, including geologists, soil scientists, and engineers, to assess

12060-447: 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 of 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

12194-463: The food from Eurasia to the Americas – part of the reason why tracing megafaunal DNA is so helpful for garnering insight to these migratory patterns. The grey wolf originated in the Americas and migrated into Eurasia prior to the Last Glacial Maximum – during which it was believed that remaining populations of the grey wolf residing in North America faced extinction and were isolated from

12328-481: The four largest cities in the U.S. by area . As reflected in the 2020 United States census , Alaska has a total of 355 incorporated cities and census-designated places (CDPs). The tally of cities includes four unified municipalities, essentially the equivalent of a consolidated city–county . The majority of these communities are located in the rural expanse of Alaska known as " The Bush " and are unconnected to that contiguous North American road network. The table at

12462-571: The genetic profiles of the Hokkaido Jōmon skeletons and the modern Ainu illustrates another uncertainty in source models derived from modern DNA samples. The development of high-resolution genomic analysis has provided opportunities to further define Native American subclades and narrow the range of Asian subclades that may be parent or sister subclades. The common occurrence of the mtDNA Haplogroups A, B, C, and D among eastern Asian and Native American populations has long been recognized, along with

12596-628: The geologic association of bones at the Bluefish Cave and Old Crow Flats sites, and the related Bonnet Plume site, have been called into question. No evidence of human remains have been discovered at these sites. In addition to disputed archaeological sites, support for pre-LGM human presence has been found in lake sediment records of northern Alaska. Biomarker and microfossil analyses of sediments from Lake E5 and Burial Lake in suggest human presence in eastern Beringia as early as 34,000 years ago. These analyses are indeed compelling in that they corroborate

12730-605: The ice sheets, the oldest such sites occur in association with the Clovis complex. If humans managed to breach the continental ice sheets significantly before 13,000 BP, there should be clear evidence for it in the form of at least some stratigraphically discrete archaeological components with a relatively high artifact count. So far, no such evidence exists." Genetic studies have used high resolution analytical techniques applied to DNA samples from modern Native Americans and Asian populations regarded as their source populations to reconstruct

12864-738: The inferences made from the Bluefish Cave and Old Crow Flats sites. In 2020, evidence emerged for a new pre-LGM site in North-Central Mexico . Chiquihuite cave , an archaeological site in Zacatecas State, has been dated to 26,000 years BP based on numerous lithic artefacts discovered there. However, there is scholarly debate over whether the artifacts should be considered evidence of human activity or if they were formed naturally. No evidence of human DNA or hearth have been unearthed. Pre-LGM human presence in South America rests partly on

12998-432: The largest private landowner in Alaska in advertisements and other communications. Provisions of ANCSA allowing the corporations' land holdings to be sold on the open market starting in 1991 were repealed before they could take effect. Effectively, the corporations hold title (including subsurface title in many cases, a privilege denied to individual Alaskans) but cannot sell the land. Individual Native allotments are sold on

13132-401: The location where the admixture took place. However, a third theory, the "Beringian standstill hypothesis", suggests that East Asians instead migrated north to Northeastern Siberia, where they mixed with ANE, and later diverged in Beringia, where distinct Native American lineages formed. This theory is supported by maternal and nuclear DNA evidence. According to Grebenyuk, after 20,000 BP,

13266-610: The low population density, most of the land is located in the Unorganized Borough . As the name implies, it has no intermediate borough government but is administered directly by the state government. In 2000, 57.71% of Alaska's area has this status, with 13.05% of the population. Anchorage merged the city government with the Greater Anchorage Area Borough in 1975 to form the Municipality of Anchorage, containing

13400-525: The lower Amur region suggests a source population from that region distinct from the Altai-Baikal source populations, where sampling did not reveal those two particular subclades. The conclusions regarding Subhaplogroup D1 indicating potential source populations in the lower Amur and Hokkaido areas stand in contrast to the single-source migration model. Subhaplogroup D4h3 has been identified among Han Chinese . Subhaplogroup D4h3 from China does not have

13534-514: The modern Native American phenotype. Archaeogenetic studies do not support a two-wave model or the Paleoamerican hypothesis of an Australo-Melanesian origin, and firmly assign all Paleo-Indians and modern Native Americans to one ancient population that entered the Americas in a single migration from Beringia. Only in one ancient specimen (Lagoa Santa) and a few modern populations in the Amazon region,

13668-412: The morphology of Luzia Woman fossil, which was described as Australo-Melanesian . This interpretation was challenged in a 2003 review which concluded the features in question could also have arisen by genetic drift. In November 2018, scientists of the University of São Paulo and Harvard University released a study that contradicts the alleged Australo-Melanesian origin of Luzia. Using DNA sequencing,

13802-477: The most closely related subclades grow more specific. Subhaplogroups D1 and D4h3 have been regarded as Native American specific based on their absence among a large sampling of populations regarded as potential descendants of source populations, over a wide area of Asia. Among the 3,764 samples, the Sakhalin –lower Amur region was represented by 61 Oroks . In another study, Subhaplogroup D1a has been identified among

13936-801: The most powerful earthquake recorded in North American history, and the second most powerful earthquake recorded in world history. The Good Friday earthquake lasted 4 minutes and 38 seconds. Six hundred miles (970 km) of fault ruptured at once and moved up to 60 ft (18 m), releasing about 500 years of stress buildup. Soil liquefaction , fissures, landslides, and other ground failures caused major structural damage in several communities and much damage to property. Anchorage sustained great destruction or damage to many inadequately earthquake-engineered houses, buildings, and infrastructure (paved streets, sidewalks, water and sewer mains, electrical systems, and other human-made equipment), particularly in

14070-508: The often remote and roadless locations. The University of Alaska , as a land grant university , also owns substantial acreage which it manages independently. Another 44 million acres (18 million hectares) are owned by 12 regional, and scores of local, Native corporations created under the Alaska Native Claims Settlement Act (ANCSA) of 1971. Regional Native corporation Doyon, Limited often promotes itself as

14204-409: The only possibly recoverable remnants of humans living in Alaska during the last Glacial period. At Old Crow Flats, mammoth bones have been found that are broken in distinctive ways indicating human butchery. The radiocarbon dates on these vary between 25,000 and 40,000 BP. Also, stone microflakes have been found in the area indicating tool production. However, the interpretations of butcher marks and

14338-412: The open market. Various private interests own the remaining land, totaling about one percent of the state. Alaska is, by a large margin, the state with the smallest percentage of private land ownership when Native corporation holdings are excluded. The Alaska Heritage Resources Survey (AHRS) is a restricted inventory of all reported historic and prehistoric sites within the U.S. state of Alaska; it

14472-566: The period of the Last Glacial Maximum along with genetic evidence found from early human remains in the Americas provides evidence to support pre-Clovis migrations into the Americas. The Native American source population was formed in Siberia by the mixing of two distinct populations: Ancient North Eurasians and an ancient East Asian (ESEA) population. According to Jennifer Raff, the Ancient North Eurasian population mixed with

14606-609: The possibility that human arrival in the Americas may have occurred prior to the Last Glacial Maximum more than 20,000 years ago. During the Wisconsin glaciation , the Earth's ocean water was, to varying degrees over time, stored in glacier ice. As water accumulated in glaciers, the volume of water in the oceans correspondingly decreased, resulting in lowering of global sea level . The variation of sea level over time has been reconstructed using oxygen isotope analysis of deep sea cores,

14740-499: The presence of haplogroup X . As a whole, the greatest frequency of the four Native American associated haplogroups occurs in the Altai - Baikal region of southern Siberia. Some subclades of C and D closer to the Native American subclades occur among Mongolian, Amur, Japanese, Korean, and Ainu populations. With further definition of subclades related to Native American populations, the requirements for sampling Asian populations to find

14874-454: The presence of the A subtype. The finding ignited controversy, with contention that the sample DNA was insufficiently complete for the conclusion and that the result reflected modern contamination. However, a re-analysis indicated that the DNA sequences were consistent with, but not definitely from, the "cosmopolitan clade" (subtype A). The presence of subtypes A and B in the Americas is suggestive of

15008-421: The rate grew more rapid. The inland Cordilleran and Laurentide ice sheets retreated more slowly than did the coastal glaciers. Opening of an ice-free corridor did not occur until after 13,000 to 12,000 BP. The early environment of the ice-free corridor was dominated by glacial outwash and meltwater, with ice-dammed lakes and periodic flooding from the release of ice-dammed meltwater. Biological productivity of

15142-428: The rebuilt infrastructure would be safe. The team produced a report on May 8, 1964, just a little more than a month after the earthquake. The United States military, which has a large active presence in Alaska, also stepped in to assist within moments of the end of the quake. The U.S. Army rapidly re-established communications with the lower 48 states, deployed troops to assist the citizens of Anchorage, and dispatched

15276-590: The region returned home praising its natural splendor. The Alcan Highway , built during the war, and the Alaska Marine Highway System , completed in 1963, made the state more accessible than before. Tourism has become increasingly important in Alaska, and today over 1.4 million people visit the state each year. With tourism more vital to the economy, environmentalism also rose in importance. The Alaska National Interest Lands Conservation Act (ANILCA) of 1980 added 53.7 million acres (217,000 km ) to

15410-505: The remaining land area, the state of Alaska owns 101 million acres (41 million hectares), its entitlement under the Alaska Statehood Act . A portion of that acreage is occasionally ceded to the organized boroughs presented above, under the statutory provisions pertaining to newly formed boroughs. Smaller portions are set aside for rural subdivisions and other homesteading-related opportunities. These are not very popular due to

15544-438: The rest of the population. This, however, may not be the case. Radiocarbon dating of ancient grey wolf remains found in permafrost deposits in Alaska show a continuous exchange of population from 12,500 radiocarbon years BP to beyond radiocarbon dating capabilities. This indicates that there was viable passage for grey wolf populations to exchange between the two continents. These faunas' ability to exchange populations during

15678-573: The results showed that Luzia's ancestry was entirely Native American. Stones described as probable tools, hammerstones and anvils , have been found in southern California , at the Cerutti Mastodon site , that are associated with a mastodon skeleton which appeared to have been processed by humans. The mastodon skeleton was dated by thorium-230/uranium radiometric analysis, using diffusion–adsorption–decay dating models, to around 130 thousand years ago. No human bones were found and expert reaction

15812-587: The retreat of game species with the onset of the LGM has been proposed to explain the lack of archaeological sites in that region dating to the LGM. The pollen record from the Alaskan side shows shifts between herb/shrub and shrub tundra prior to the LGM, suggesting less dramatic warming episodes than those that allowed forest colonization on the Siberian side. Diverse, though not necessarily plentiful, megafauna were present in those environments. Herb tundra dominated during

15946-452: The same geographic implication as Subhaplotype D1a from Amur-Hokkaido, so its implications for source models are more speculative. Its parent lineage, Subhaplotype D4h, is believed to have emerged in East Asia, rather than Siberia, around 20,000 BP. Subhaplogroup D4h2, a sister clade of D4h3, has also been found among Jōmon skeletons from Hokkaido. D4h3 has a coastal trace in the Americas. X

16080-545: The several landslide zones along Knik Arm . Two hundred miles (320 km) southwest, some areas near Kodiak were permanently raised by 30 feet (9 m). Southeast of Anchorage, areas around the head of Turnagain Arm near Girdwood and Portage dropped as much as 8 feet (2.4 m), requiring reconstruction and fill to raise the Seward Highway above the new high tide mark. In Prince William Sound , Port Valdez suffered

16214-461: The state's entire land area. The area not part of any borough is referred to as the Unorganized Borough . The Unorganized Borough has no government of its own, but the U.S. Census Bureau in cooperation with the state divided the Unorganized Borough into 11 census areas solely for the purposes of statistical analysis and presentation. A recording district is a mechanism for management of

16348-404: The use of dated fossil DNA to calibrate molecular evolution rates. Although there is no archaeological evidence that can be used to direct support a coastal migration route during the Last Glacial Maximum , genetic analysis has been used to support this thesis. In addition to human genetic lineage, megafaunal DNA lineage can be used to trace movements of megafauna – large mammalian – as well as

16482-509: The voice of calm from her temporary post within the Anchorage Public Safety Building. She was effectively designated as the public safety officer by the city's police chief. Chance provided breaking news of the catastrophic events that continued to develop following the magnitude 9.2 earthquake, and she served as the voice of the public safety office, coordinating response efforts, connecting available resources to needs around

16616-471: The world . If it was an independent nation, it would be the 18th largest country in the world; almost the same size as Iran . With its myriad of islands, Alaska has nearly 34,000 miles (55,000 km) of tidal shoreline. The Aleutian Islands chain extends west from the southern tip of the Alaska Peninsula . Many active volcanoes are found in the Aleutians and in coastal regions. Unimak Island , for example,

16750-513: The world's largest tides occurs in Turnagain Arm , just south of Anchorage, where tidal differences can be more than 35 feet (10.7 m). Alaska has more than 409,000 natural lakes at least one hectare or bigger. Marshlands and wetland permafrost cover 188,320 square miles (487,700 km ) (mostly in northern, western and southwest flatlands). Glacier ice covers about 28,957 square miles (75,000 km ) of Alaska. The Bering Glacier

16884-659: Was a verifiable human presence in the region dating back to the LGM between 18,000 and 26,000 years ago. Later studies, reported in October 2023, confirmed that the age of the human footprints to be "up to 23,000 years old". The Clovis-first advocates have not accepted the veracity of these findings. In 2022, they said, "The oldest evidence for archaeological sites in the New World with large numbers of artifacts occurring in discrete and minimally disturbed stratigraphic contexts occur in eastern Beringia between 13,000 and 14,200 BP. South of

17018-415: Was accelerated as sea levels rose and floated glacial termini. It has been estimated that the coast range was fully ice-free between 16,000 and 15,000 BP. Littoral marine organisms colonized shorelines as ocean water replaced glacial meltwater. Replacement of herb/shrub tundra by coniferous forests was underway by 15,000 BP north of Haida Gwaii. Eustatic sea level rise caused flooding, which accelerated as

17152-512: Was extremely limited or unavailable until statehood took effect in 1959. Starting in the 1890s and stretching in some places to the early 1910s, gold rushes in Alaska and the nearby Yukon Territory brought thousands of miners and settlers to Alaska. From 1879 to 1920, Alaska produced a cumulative total of over $ 460,000,000 ($ 6,691,927,500 inflation-adjusted) of mineral production. Alaska was officially incorporated as an organized territory in 1912. Alaska's capital, which had been in Sitka until 1906,

17286-483: Was formed as a direct response to the disaster. Federal disaster relief funds paid for reconstruction as well as financially supporting the devastated infrastructure of Alaska's government, spending hundreds of millions of dollars that helped keep Alaska financially solvent until the discovery of massive oil deposits at Prudhoe Bay . At the order of the U.S. Defense Department , the Alaska National Guard founded

17420-429: Was found to carry the deepest branch of the X2a haplogroup, and he did not have any European ancestry that would be expected for a European origin of the lineage. The Human T cell Lymphotrophic Virus 1 ( HTLV-1 ) is a virus transmitted through exchange of bodily fluids and from mother to child through breast milk. The mother-to-child transmission mimics a hereditary trait, although such transmission from maternal carriers

17554-408: Was headquartered in Sitka. For most of Alaska's first decade under the United States flag, Sitka was the only community inhabited by American settlers. They organized a "provisional city government", which was Alaska's first municipal government, but not in a legal sense. Legislation allowing Alaskan communities to legally incorporate as cities did not come about until 1900, and home rule for cities

17688-453: Was mixed; claims of tools and bone processing were called "not plausible" by Prof. Tom Dillehay . The Yana River Rhino Horn site (RHS) has dated human occupation of eastern Arctic Siberia to 31,300 BP. That date has been interpreted by some as evidence that migration into Beringia was imminent, lending credence to occupation of Beringia during the LGM. However, the Yana RHS date is from

17822-701: Was moved north to Juneau . Construction of the Alaska Governor's Mansion began that same year. European immigrants from Norway and Sweden also settled in southeast Alaska, where they entered the fishing and logging industries. During World War II , the Aleutian Islands Campaign focused on Attu , Agattu and Kiska , all of which were occupied by the Empire of Japan . During the Japanese occupation, an American civilian and two United States Navy personnel were killed at Attu and Kiska respectively, and nearly

17956-505: Was used as means of hunting megafauna. The Indigenous peoples of the Americas have an ascertained archaeological presence in the Americas dating back to about 15,000 years ago. More recent research, however, suggests a human presence dating to between 18,000 and 26,000 years ago, during the Last Glacial Maximum. There remain uncertainties regarding the precise dating of individual sites and regarding conclusions drawn from population genetics studies of contemporary Native Americans. In

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