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Radio Control Tower
Radio Control Tower is an elevation nunatak located in the Southeast Fork Kahiltna Glacier valley in the Alaska Range, in Denali National Park and Preserve, in the U.S. state of Alaska. It is situated west of the Kahiltna base camp for mountaineers attempting to climb Denali or Mount Hunter. Access to the area is via air taxi from Talkeetna. Radio Control Tower is set south of Denali, northwest of Mount Hunter, and southeast of Mount Frances. Climate Based on the Köppen climate classification, Radio Control Tower is located in a subarctic climate The subarctic climate (also called subpolar climate, or boreal climate) is a continental climate with long, cold (often very cold) winters, and short, warm to cool summers. It is found on large landmasses, often away from the moderating effects of ... zone with long, cold, snowy winters, and cool summers. Temperatures can drop below −20 °C with wind chill factors below −30 °C. The months May through June offer t ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Alaska Range
The Alaska Range is a relatively narrow, mountain range in the Southcentral Alaska, southcentral region of the U.S. state of Alaska, from Lake Clark at its southwest endSources differ as to the exact delineation of the Alaska Range. ThBoard on Geographic Namesentry is inconsistent; part of it designates Iliamna Lake as the southwestern end, and part of the entry has the range ending at the Telaquana and Neacola Rivers. Other sources identify Lake Clark, in between those two, as the endpoint. This also means that the status of the Neacola Mountains is unclear: it is usually identified as the northernmost subrange of the Aleutian Range, but it could also be considered the southernmost part of the Alaska Range. to the White River (Yukon), White River in Canada's Yukon Territory in the southeast. Denali, the highest mountain in North America, is in the Alaska Range. The range is part of the American Cordillera. The Alaska Range is one of the highest mountain ranges in the world, afte ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Denali Borough, Alaska
The Denali Borough is a borough located in the U.S. state of Alaska. As of the 2020 census the population of the borough was 1,619, down from 1,826 in 2010. The borough seat and most populated community is Healy, and its only incorporated place is Anderson. The borough was incorporated in December 1990. The area was previously a part of the Unorganized Borough, with the Upper Railbelt School District serving as the region's rural education attendance area (which was replaced by a school district under the borough's umbrella upon incorporation). The earliest inhabitants were nomadic native Alaskans. A mining camp was established near Healy prior to 1902, and construction of the Alaska Railroad brought additional settlers to the area in the early 1920s. Clear Space Force Station, the Usibelli Coal Mine and tourism at the Denali National Park and Preserve have brought growth and development. Geography The borough has a total area of , of which is land and (0.2%) is ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Alaska
Alaska ( ) 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 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 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 i ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
United States Geological Survey
The United States Geological Survey (USGS), founded as the Geological Survey, is an agency of the U.S. Department of the Interior whose work spans the disciplines of biology, geography, geology, and hydrology. The agency was founded on March 3, 1879, to study the landscape of the United States, its natural resources, and the natural hazards that threaten it. The agency also makes maps of planets and moons, based on data from U.S. space probes. The sole scientific agency of the U.S. Department of the Interior, USGS is a fact-finding research organization with no regulatory responsibility. It is headquartered in Reston, Virginia, with major offices near Lakewood, Colorado; at the Denver Federal Center; and in NASA Research Park in California. In 2009, it employed about 8,670 people. The current motto of the USGS, in use since August 1997, is "science for a changing world". The agency's previous slogan, adopted on its hundredth anniversary, was "Earth Science in the Pub ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Granite
Granite ( ) is a coarse-grained (phanerite, phaneritic) intrusive rock, intrusive igneous rock composed mostly of quartz, alkali feldspar, and plagioclase. It forms from magma with a high content of silica and alkali metal oxides that slowly cools and solidifies underground. It is common in the continental crust of Earth, where it is found in igneous intrusions. These range in size from dike (geology), dikes only a few centimeters across to batholiths exposed over hundreds of square kilometers. Granite is typical of a larger family of ''granitic rocks'', or ''granitoids'', that are composed mostly of coarse-grained quartz and feldspars in varying proportions. These rocks are classified by the relative percentages of quartz, alkali feldspar, and plagioclase (the QAPF diagram, QAPF classification), with true granite representing granitic rocks rich in quartz and alkali feldspar. Most granitic rocks also contain mica or amphibole minerals, though a few (known as leucogranites) conta ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Nunatak
A nunatak (from Inuit language, Inuit ) is the summit or ridge of a mountain that protrudes from an ice field or glacier that otherwise covers most of the mountain or ridge. They often form natural pyramidal peaks. Isolated nunataks are also called glacial islands, and smaller nunataks rounded by glacial action may be referred to as rognons. The word is of Greenlandic language, Greenlandic origin and has been used in English since the 1870s. Description The term ''nunatak'' is typically used in areas where a permanent ice sheet is present and the ridge protrudes above the sheet.J. J. Zeeberg, ''Climate and Glacial History of the Novaya Zemlya Archipelago, Russian Arctic''. pp. 82–84 Nunataks present readily identifiable landmark reference points in glaciers or ice caps and are often named. While some are isolated, they can also form dense clusters, such as Queen Louise Land in Greenland. Nunataks are generally angular and jagged, hampering the formation of glacial ice on thei ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Kahiltna Glacier
Kahiltna Glacier is the longest glacier of the Alaska Range in the U.S. state of Alaska. It starts on the southwest slope of Denali near Kahiltna Pass (elevation ). Its main channel runs almost due south between Mount Foraker to the west and Mount Hunter to the east. The name was first reported as "Car-ilt-nu Glacier" by Alaska Range explorer Lt. J.S. Herron in 1902. An alternate name is Kagheltnu Li'a. Kahiltna Glacier is the longest glacier in the Alaska Range at in length. Forks The glacier has a few notable forks. The Northeast Fork lies just under, and to the south of, the large plateau which houses the camp on the standard West Buttress route of Denali. It also provides access to the less popular, but more technical, West Rib and Cassin Ridge routes. The East Fork is rarely visited, but provides access to the west side of the South Buttress of Denali. The mouth of the Southeast Fork is the site of the seasonal airstrip and base camp for Denali at approximately the 7,00 ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Denali National Park And Preserve
Denali National Park and Preserve, formerly known as Mount McKinley National Park, is a List of national parks of the United States, United States national park and National preserve, preserve located in Interior Alaska, centered on Denali (federally designated as Mount McKinley), the highest mountain in North America. The park and contiguous preserve encompass which is larger than the state of New Hampshire. On December 2, 1980, Denali Wilderness was established within the park. Denali's landscape is a mix of forest at the lowest elevations, including deciduous taiga, with tundra at middle elevations, and glaciers, snow, and bare rock at the highest elevations. The longest glacier is Kahiltna Glacier. Wintertime activities include dog sledding, cross-country skiing, and Snowmobile, snowmobiling. The park received 594,660 recreational visitors in 2018. History Prehistory and protohistory Human habitation in the Denali Region extends to more than 11,000 years before the present ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Denali
Denali (), federally designated as Mount McKinley, is the highest mountain peak in North America, with a summit elevation of above sea level. It is the tallest mountain in the world from base to peak on land, measuring . On p. 20 of Helman (2005):"the base to peak rise of Mount McKinley is the largest of any mountain that lies entirely above sea level, some ". With a topographic prominence of and a topographic isolation of , Denali is the third most prominent and third-most isolated peak on Earth, after Mount Everest and Aconcagua. Located in the Alaska Range in the interior of the U.S. state of Alaska, Denali is the centerpiece of Denali National Park and Preserve. The Koyukon people who inhabit the area around the mountain have referred to the peak as "Denali" for centuries. In 1896, a gold prospector named it "Mount McKinley" in support of then-presidential candidate William McKinley, who later became the 25th president; McKinley's name was the official na ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Mount Hunter (Alaska)
Mount Hunter or Begguya is a mountain in Denali National Park and Preserve, Denali National Park in Alaska. It is approximately south of Denali, the highest peak in North America. "Begguya" means child (of Denali) in the Dena'ina language. Mount Hunter is the third-highest major peak in the Alaska Range. Mount Hunter has a complex structure: it is topped by a large, low-angled glacier plateau, connecting the North (Main) Summit and the South Summit (). Long, corniced ridges extend in various directions; between them are exceptionally steep faces. Naming of the mountain The native name for the mountain is Begguya, meaning "Denali's Child". Early prospectors referred to the mountain as Mount Roosevelt. In 1903, Robert Dunn, a reporter for the ''New York Commercial Advertiser'', visited the area as part of Frederick Cook's attempt to climb Mount McKinley. He bestowed the name of his aunt Anna Falconnet Hunter (1885–1941), who financed his trip, on a high nearby mountain, promine ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Mount Frances
Mount Frances is a mountain summit located in the Kahiltna Glacier valley in the Alaska Range, in Denali National Park and Preserve, in the U.S. state of Alaska. It is situated north of the Kahiltna Glacier base camp for mountaineers attempting to climb Denali, Mount Foraker, or Mount Hunter. The summit of Mt. Frances is the best viewpoint from which to see all three giants from one location. Mount Frances is set southwest of Denali, northwest of Mount Hunter, and northwest of Radio Control Tower. Access to the area is via air taxi from Talkeetna. The mountain's name honors Frances Randall (1925-1984), the first Denali Base Camp manager for nine climbing seasons (1974-1983). She was planning a tenth season, but cancer claimed her life. Her expertise was instrumental in coordinating many rescues that saved lives and earned her the nicknames ''Guardian Angel of McKinley'', and ''Kahiltna Queen''. She was a member of the Fairbanks Symphony Orchestra, often playing the violin at ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
