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This article is about the mountain. For other uses, see Denali (disambiguation).

Denali
A snow-covered, gently sloping mountain is in the background, with a lake in the foreground
From the north, with Wonder Lake in the foreground
Highest point
Elevation20,237 ft (6,168 m) NGVD 29.[1][2]
GPS telemetry Edit this on Wikidata
Prominence20,073 ft (6,118 m)[3]
Ranked 3rd
Isolation7,436.9 km (4,621.1 mi) Edit this on Wikidata
Listing
Geography
Denali is located in Alaska
Denali
Denali
LocationDenali National Park and Preserve, Alaska, US
Parent rangeAlaska Range
Topo mapUSGS Mt. McKinley A-3
Climbing
First ascentJune 7, 1913 by
Hudson Stuck,
Harry Karstens,
Walter Harper
and Robert Tatum
Easiest routeWest Buttress Route (glacier/snow climb)

Denali (/d[invalid input: 'ɨ']ˈnɑːli/), named Mount McKinley from 1917 to 2015,[6] is the highest mountain peak in North America, with a summit elevation of 20,237 feet (6,168 m) above sea level. At some 18,000 ft (5,500 m), the base-to-peak rise is considered the largest of any mountain situated entirely above sea level.[7] Measured by topographic prominence, it is the third most prominent peak 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 first European to document sighting the mountain was George Vancouver in 1794. In 1903, James Wickersham recorded the first attempt at climbing Denali, which was unsuccessful. In 1906, Frederick Cook claimed the first ascent, which was later proven to be false. The first verifiable ascent to Denali's summit was achieved on June 7, 1913 by climbers Hudson Stuck, Harry Karstens, Walter Harper, and Robert Tatum, who went by the South Summit. In 1951, Bradford Washburn pioneered the West Buttress route, considered to be the safest and easiest route and therefore the most popular currently in use.[8]

In September 2013, Alaska's government announced the mountain is 20,237 ft (6,168 m) tall and not 20,320 ft (6,194 m) as measured in 1952 using photogrammetry. The Statewide Digital Mapping Initiative, in cooperation with the U.S. Geological Survey, said the more accurate height was 83 feet (25 m) lower using measurements from a 2012 survey that used Interferometric synthetic aperture radar.[9] The new height was accepted by the U.S. Geological Survey and is now part of its National Elevation Dataset.[10] In August 2015, following the lead of the state of Alaska, the U.S. Department of the Interior, in conjunction with the U.S. Board on Geographic Names, announced the name of the mountain would change from Mount McKinley, for former President William McKinley, to its original Koyukon name of Denali.[11][12]

Geology and features

Denali is a granitic pluton lifted by tectonic pressure from the subduction of the Pacific Plate beneath the North American Plate; at the same time, the sedimentary material above and around the mountain was stripped away by erosion.[13] The forces that lifted Denali also cause many deep earthquakes in Alaska and the Aleutian Islands. The Pacific Plate is seismically active beneath Denali, a tectonic region that is known as the "McKinley cluster".[14]

Denali has a summit elevation of 20,237 feet (6,168 m) above sea level, making it the highest peak in North America and the northernmost mountain above 6,000 meters elevation in the world.[1] Measured from base to peak at some 18,000 ft (5,500 m), it is also the largest of any mountain entirely above sea level.[7] Denali rises from a sloping plain with elevations from 1,000 to 3,000 ft (300 to 910 m), for a base-to-peak height of 17,000 to 19,000 ft (5,000 to 6,000 m).[15] (Mount Everest, on the other hand, rises from the Tibetan Plateau, at a much higher base elevation. Base elevations for Everest range from 13,800 ft (4,200 m) on the south side to 17,100 ft (5,200 m) on the Tibetan Plateau, for a base-to-peak height in the range of 12,000 to 15,300 ft (3,700 to 4,700 m).[16] Denali's base-to-peak height is little more than half the 33,500 ft (10,200 m) of the volcano Mauna Kea, which lies mostly under water.)[17]

Layout of the mountain

Denali has two significant summits: the South Summit is the higher one, while the North Summit has an elevation of 19,470 ft (5,934 m)[13] and a prominence of approximately 1,270 ft (387 m).[18] The North Summit is sometimes counted as a separate peak (see e.g., fourteener) and sometimes not; it is rarely climbed, except by those doing routes on the north side of the massif.

Five large glaciers flow off the slopes of the mountain. The Peters Glacier lies on the northwest side of the massif, while the Muldrow Glacier falls from its northeast slopes. Just to the east of the Muldrow, and abutting the eastern side of the massif, is the Traleika Glacier. The Ruth Glacier lies to the southeast of the mountain, and the Kahiltna Glacier leads up to the southwest side of the mountain.[19][20] With a length of 44 mi (71 km), the Kahiltna Glacier is the longest glacier in the Alaska Range.

Naming

Main article: Denali–Mount McKinley naming dispute
Language Indigenous Name for Denali
Dena'ina Dghelay Ka'a
Ahtna Dghelaay Ce'e
Lower Tanana Dinadhit
Koyukon Deenaalee
Upper Kuskokwim Denaze
Holikachuk Denadhe
Deg Xinag Dengadhiy

The Koyukon Athabaskans who inhabit the area around the mountain refer to the peak as Dinale or Denali. The name is based on a Koyukon word for "high" or "tall".[21] During the Russian ownership of Alaska, the common name for the mountain was Bolshaya Gora (Russian: Большая Гора, bolshaya = Russian for big; gora = Russian for mountain), which is the Russian translation of Denali.[22] It was briefly called Densmore's Mountain in the late 1880s and early 1890s[23] after Frank Densmore, an Alaskan prospector who was the first European to reach the base of the mountain.[24]

In 1896, a gold prospector named it McKinley as political support for then-presidential candidate William McKinley, who became president the following year. The United States formally recognized the name Mount McKinley after President Wilson signed the Mount McKinley National Park Act of February 26, 1917.[25] The Alaska Board of Geographic Names changed the name of the mountain to Denali in 1975 which is how it is called locally.[26][6] However, a request that year from the Alaska state legislature to the United States Board on Geographic Names to do the same at the federal level was blocked by Ohio congressman Ralph Regula, whose district included McKinley's hometown of Canton.[27]

Efforts to rename the mountain did not end there. On August 30, 2015, just ahead of a presidential visit to Alaska, the Barack Obama administration announced that the name Denali would be restored in line with the Alaska Geographic Board's designation.[12][28] Sally Jewell, the Secretary of the Department of the Interior, said the change had been "a long time coming".[29] The renaming of the mountain received praise from Alaska's senior senator, Lisa Murkowski, who previously introduced legislation to accomplish the name change, but it drew criticism from several Ohio politicians, such as Governor John Kasich, U.S. Senator Rob Portman, House Speaker John Boehner, and Congressman Bob Gibbs, who described Obama's action as "constitutional overreach" because he said an act of Congress is required to rename the mountain.[30][31][32] The Alaska Dispatch News reported that the Secretary of the Interior has authority under federal law to change geographic names when the Board of Geographic Names does not act on a naming request within a "reasonable" period of time. Jewell told the ADN that "I think any of us would think that 40 years is an unreasonable amount of time."[33]

Indigenous names for Denali can be found in seven different Alaskan languages.[34] The names fall into two categories. To the south of the Alaska Range in the Dena'ina and Ahtna languages the mountain is known by names that are translated as "big mountain". To the north of the Alaska Range in the Lower Tanana, Koyukon, Upper Kuskokwim, Holikachuk, and Deg Xinag languages the mountain is known by names that are translated as "the high one",[35] "the tall one" (Koyukon, Lower and Middle Tanana, Upper Kuskokwim, Deg Xinag, and Holikachuk), or "big mountain" (Ahtna and Dena'ina).[36]

Alaskan Athabascan names for Denali:[36]

native language spelled in local practical alphabet spelled in a standardized alphabet spelled in the IPA
literally 'the tall one'
Koyukon Deenaalee Diinaalii /diˈnæli/
Lower Tanana Deenadheet, Deenadhee Diinaadhiit, Diinaadhii /diˈnæðid/
Middle Tanana Diineezi Diinaadhi /diˈnæði/
Upper Kuskokwim Denaze Diinaazii /diˈnæzi/
Deg Xinag Dengadh, Dengadhi Dengadh, Dengadhe /dɛˈŋað, dɛˈŋaðɛ/
Holikachuk Denadhe Diinaadhii /diˈnæði/
literally 'big mountain'
Ahtna Dghelaay Ce'e, Deghilaay Ce'e Dghelaay Ke'e, Deghilaay Ke'e /dɣɛˈlɔy ˈkɛˀɛ/
Upper Inlet Dena'ina Dghelay Ka'a Dghelay Ka'a /dɣɛˈlay ˈkaˀa/
Lower Inlet Dena'ina Dghili Ka'a Dghili Ka'a /dɣili ˈkaˀa/

History

In a grayscale photograph, two men stand in front of a tent and snowy evergreen trees
Hudson Stuck and Harry Karstens, co-leaders of the first successful summit of Denali in 1913.

The Koyukon Athabaskans are the first Native Americans with access to the flanks of the mountain (living in the Yukon, Tanana and Kuskokwim basins).[5] George Vancouver became the first European to sight Denali when he noted "distant stupendous mountains" while surveying the Knik Arm of the Cook Inlet on May 6, 1794.[37] The Russian explorer Lavrenty Zagoskin explored the Tanana and Kuskokwim rivers in 1843 and 1844 and was probably the first European to sight the mountain from the other side.[38]

William Dickey, a New Hampshire-born Seattleite who had been digging for gold in the sands of the Susitna River, wrote, after his returning from Alaska, an account in the New York Sun that appeared on January 24, 1897.[39] His report drew attention with the sentence "We have no doubt that this peak is the highest in North America, and estimate that it is over 20,000 feet (6,100 m) high." Until then 18,000-foot (5,500 m) Mount Saint Elias was believed to be the continent’s highest point, and Mount Logan was still unknown.[38] Though later praised for his estimate, Dickey admitted that other prospector parties had also guessed the mountain to be over 20,000 feet (6,100 m).[40]

File:2012-ATB-Quarters-Unc-Denali.jpg
The reverse side of the Denali National Park quarter

On November 5, 2012, the United States Mint released a twenty-five cent piece depicting Denali National Park. It is the fifteenth of the America the Beautiful Quarters series. The reverse features a Dall sheep with Mount Denali the background.[41]

Climbing history

The first recorded attempt to climb Denali was by Judge James Wickersham in 1903, via the Peters Glacier and the North Face, now known as the Wickersham Wall. This route has tremendous avalanche danger and was not successfully climbed until 1963.[42]

Several tents are pitched near the edge of a snow-covered cliff
High camp (17,200 ft or 5,200 m) of the West Buttress Route pioneered by Bradford Washburn, photographed in 2001

Famed explorer Dr. Frederick Cook claimed the first ascent of the mountain in 1906. His claim was regarded with some suspicion from the start, but was also widely believed. It was later proved false, with some crucial evidence provided by Bradford Washburn when he was sketched on a lower peak.

In 1910, four locals (Tom Lloyd, Peter Anderson, Billy Taylor, and Charles McGonagall), known as the Sourdough Expedition, attempted Denali despite a complete lack of climbing experience. They spent approximately three months on the mountain. However, their purported summit day was impressive: carrying a bag of doughnuts each, a thermos of hot chocolate, and a 14-foot (4.2 m) spruce pole, two of them reached the North Summit, the lower of the two, and erected the pole near the top. According to them, they took a total of 18 hours. No one believed their success (partly due to false claims that they had climbed both summits) until the true first ascent, in 1913.

In 1912, the Parker-Browne expedition nearly reached the summit, turning back within just a few hundred yards of it due to harsh weather. In fact, that probably saved their lives, as a powerful earthquake shattered the glacier they had ascended hours after they safely left it.

The first ascent of the main summit of Denali came on June 7, 1913, by a party led by Hudson Stuck and Harry Karstens. The first man to reach the summit was Walter Harper, an Alaska Native. Robert Tatum also made the summit. Using the mountain's contemporary name, Tatum later commented, "The view from the top of Mount McKinley is like looking out the windows of Heaven!"[43] They ascended the Muldrow Glacier route pioneered by the earlier expeditions, which is still often climbed today. Stuck confirmed, via binoculars, the presence of a large pole near the North Summit; this report confirmed the Sourdough ascent, and today it is widely believed that the Sourdoughs did succeed on the North Summit. However, the pole was never seen before or since, so there is still some doubt. Stuck also discovered that the Parker-Browne party were only about 200 feet (61 m) of elevation short of the true summit when they turned back.

The mountain is regularly climbed today; in 2003, around 58% of climbers reached the top. But by 2003, the mountain had claimed the lives of nearly 100 mountaineers over time.[44] The vast majority of climbers use the West Buttress Route, pioneered in 1951 by Bradford Washburn,[8] after an extensive aerial photographic analysis of the mountain. Climbers typically take two to four weeks to ascend Denali.

Timeline

An aerial view of Denali. An airplane wing is visible in the lower-left corner.
Denali's West Buttress (lower left to upper right), August 2010
A rotating 3D computer image of the mountain.
A three-dimensional representation of the mountain created with topographic data
  • 1896–1902: Surveys by Robert Muldrow, George Eldridge, Alfred Brooks.[45]: 221 
  • 1913: First ascent, by Hudson Stuck, Harry Karstens, Walter Harper, and Robert Tatum via the Muldrow Glacier route.[46]
  • 1932: Second ascent, by Alfred Lindley, Harry Liek, Grant Pearson, Erling Strom. (Both peaks were climbed.)[45]: 320 [47]
  • 1947: Barbara Washburn becomes the first woman to reach the summit while her husband Bradford Washburn becomes the first person to summit twice.[48]
  • 1951: First ascent of the West Buttress Route, led by Bradford Washburn.[8]
  • 1954: First ascent of the very long South Buttress Route.[49]
  • 1959: First ascent of the West Rib, now a popular, mildly technical route to the summit.[49]
  • 1961: First ascent of the Cassin Ridge, named for Riccardo Cassin and the best-known technical route on the mountain.[50] The first ascent team members are: Riccardo Cassin, Luigi Airoldi, Luigi Alippi, Giancarlo Canali, Romano Perego, and Annibale Zucchi.[51][52]
In an aerial image, a mountain is surrounded by many smaller mountains and a glacier.
South view from 27,000 feet
  • 1963: Two teams make first ascents of two different routes on the Wickersham Wall.[53][54]
  • 1967: First winter ascent, via the West Buttress, by Dave Johnston, Art Davidson and Ray Genet.[55]
  • 1967: Seven members of Joe Wilcox's twelve-man expedition perish, while stranded for ten days near the summit, in what has been described as the worst storm on record. Up to that time, this was the third worst disaster in mountaineering history in terms of lives lost.[56] Before July 1967 only four men had ever perished on Denali.[57]
  • 1970: First solo ascent by Naomi Uemura.[58]
  • 1970: First ascent by an all-female team, led by Grace Hoeman and the later famous American high altitude mountaineer Arlene Blum together with Margaret Clark, Margaret Young, Faye Kerr and Dana Smith Isherwood.[59][49]
  • 1972: Sylvain Saudan, "Skier of the Impossible", skis down the sheer southwest face, conquered for the first time by skier or climber.
  • 1976: First solo ascent of the Cassin Ridge by Charlie Fowler, a climb "ahead of its time".[51]
  • 1979: First ascent by dog team achieved by Susan Butcher, Ray Genet, Brian Okonek, Joe Redington, Sr., and Robert Stapleton.[49]
  • 1984: Uemura returns to make the first winter solo ascent, but dies after summitting.[60] Tono Križo, František Korl and Blažej Adam from the Slovak Mountaineering Association climb a very direct route to the summit, now known as the Slovak Route, on the south face of the mountain, to the right of the Cassin Ridge.[61]
  • 1988: First successful winter solo ascent. Vern Tejas climbed the West Buttress alone in February and March, summitted successfully, and descended.[62]
  • 1997: First successful ascent up the West Fork of Traleika Glacier up to Karstens Ridge beneath Browne Tower. This path was named the "Butte Direct" by the two climbers Jim Wilson and Jim Blow.[63][64]

Weather station

Denali seen through a green field
The east side viewed from Denali National Park and Preserve, which surrounds the mountain.

The Japan Alpine Club installed a meteorological station on a ridge near the summit of Denali at an altitude of 18,733 feet (5,710 m) in 1990.[65] In 1998, this weather station was donated to the International Arctic Research Center at the University of Alaska Fairbanks.[65] In June 2002, a weather station was placed at the 19,000-foot (5,800 m) level. This weather station was designed to transmit data in real-time for use by the climbing public and the science community. Since its establishment, annual upgrades to the equipment have been performed with instrumentation custom built for the extreme weather and altitude conditions. This weather station is the third-highest weather station in the world.[66]

The weather station recorded a temperature of −75.5 °F (−59.7 °C) on December 1, 2003. On the previous day of November 30, 2003, a temperature of −74.4 °F (−59.1 °C) combined with a wind speed of 18.4 miles per hour (29.6 km/h) to produce a North American record windchill of −118.1 °F (−83.4 °C).

Even in July, this weather station has recorded temperatures as low as −22.9 °F (−30.5 °C) and windchills as low as −59.2 °F (−50.7 °C).

Historical record

The mountain is characterized by extremely cold weather. Temperatures as low as −75.5 °F (−59.7 °C) and windchills as low as −118.1 °F (−83.4 °C) have been recorded by an automated weather station located at 18,733 feet (5,700 m). According to the National Park Service, in 1932 the Liek-Lindley expedition recovered a self-recording minimum thermometer left near Browne's Tower, at about 15,000 feet (4,600 m), on Denali by the Stuck-Karstens party in 1913. The spirit thermometer was calibrated down to −95 °F (−71 °C), and the lowest recorded temperature was below that point. Harry J. Lek took the thermometer back to Washington, D.C. where it was tested by the United States Weather Bureau and found to be accurate. The lowest temperature that it had recorded was found to be approximately −100 °F (−73 °C).[67] Another thermometer was placed at the 15,000 feet (4,600 m) level by the U.S. Army Natick Laboratory, and was there from 1950 to 1969. The coldest temperature recorded during that period was also −100 °F (−73 °C).[68]

Subpeaks and nearby mountains

The top of Denali is shrouded in clouds.
Denali, here shrouded in clouds, is large enough to create its own localized weather.

Besides the North Summit mentioned above, other less significant features on the massif which are sometimes included as separate peaks are:

  • South Buttress, 15,885 feet (4,842 m); mean prominence: 335 feet (102 m)
  • East Buttress high point, 14,730 feet (4,490 m); mean prominence: 380 feet (120 m)
  • East Buttress, most topographically prominent point, 14,650 feet (4,470 m); mean prominence: 600 feet (180 m)
  • Browne Tower, 14,530 feet (4,430 m); mean prominence: 75 feet (23 m)

None of these peaks are usually regarded as worthwhile objectives in their own right; however they often appear on lists of the highest peaks of the United States. (Only one appears on the List of United States fourteeners on Wikipedia.)

Nearby important peaks include:

See also

References

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  2. ^ "Mount McKinley 83ft shorter than previously thought". BBC News. September 12, 2013. Retrieved September 13, 2013.
  3. ^ "Mount Denali, Alaska". Peakbagger.com. Retrieved February 1, 2010.
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  5. ^ a b "Mount McKinley". Geographic Names Information System. United States Geological Survey, United States Department of the Interior. Retrieved January 20, 2010.
  6. ^ a b "Senate Report 113-93 - Designation of Denali in the State of Alaska". U.S. Government Publishing Office. September 10, 2013. Retrieved August 31, 2015. The State of Alaska changed the name of the mountain to Denali in 1975, although the U.S. Board on Geographic Names has continued to use the name Mount McKinley.
  7. ^ a b Helman, Adam (2005). The Finest Peaks: Prominence and Other Mountain Measures. Trafford. p. 9. ISBN 1412236649. the base to peak rise of Mount McKinley is the largest of any mountain that lies entirely above sea level, some 18,000 feet.
  8. ^ a b c Roberts, David (April 2007). "The Geography of Brad Washburn (1910-2007)". National Geographic Adventure. Retrieved March 4, 2013.
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  12. ^ a b Campbell, Jon (August 30, 2015). "Old Name Officially Returns to Nation's Highest Peak". U.S. Board of Geographic Names (U.S. Geological Survey). Retrieved August 31, 2015.
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  14. ^ Hanson, Roger A. "Earthquake and Seismic Monitoring in Denali National Park" (PDF). National Park Service. pp. 23–25. Retrieved March 17, 2013.
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  21. ^ Martinson, Erica (August 30, 2015). "McKinley no more: America's tallest peak to be renamed Denali". Alaska Dispatch News. Retrieved August 31, 2015. The name "Denali" is derived from the Koyukon name and is based on a verb theme meaning "high" or "tall," according to linguist James Kari of the Alaska Native Language Center at the University of Alaska Fairbanks, in the book "Shem Pete's Alaska." It doesn't mean "the great one," as is commonly believed, Kari wrote. {{cite web}}: Italic or bold markup not allowed in: |publisher= (help)
  22. ^ Dictionary of Alaska Place Names (PDF). United States Department of the Interior. 1976. p. 610. ISBN 0944780024..
  23. ^ Norris, Frank. "Crown Jewel of the North: An Administrative History of Denali National Park and Preserve, Vol. 1" (PDF). National Park Service. p. 1.
  24. ^ Berton, Pierre (1990) [1972]. Klondike: The Last Great Gold Rush 1896–1899 (revised ed.). p. 84. ISBN 0-14-011759-8. OCLC 19392422.
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  30. ^ "Ohio lawmakers slam Obama plans to rename Mt. McKinley 'Denali' during Alaska trip". Fox News. August 31, 2015. Retrieved August 31, 2015.
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  32. ^ "Ohio Gov. Kasich opposes changing name of Mount McKinley". KTUU. Associated Press. August 31, 2015. Retrieved August 31, 2015.
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  35. ^ Robert Hedin and ‎Gary Holthaus (1989), Alaska: Reflections on Land and Spirit, p. 95
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  37. ^ Beckey 1993, p. 42.
  38. ^ a b Beckey 1993, p. 44.
  39. ^ Beckey 1993, p. 47.
  40. ^ Sherwonit, Bill (October 1, 2000). Denali: A Literary Anthology. Seattle: The Mountaineers Books. p. 9. ISBN 0-89886-710-X. See, particularly, chapter 4 (pages 52–61): "Discoveries in Alaska", 1897, by William A. Dickey.
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  42. ^ Beckey 1993, p. 139.
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  47. ^ Verschoth, Anita (March 28, 1977). "Mount Mckinley On Cross-country Skis And Other High Old Tales". Sports Illustrated. Retrieved March 18, 2013.
  48. ^ Waterman 1998, p. 31.
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  51. ^ a b "Cassin Ridge" (PDF). supertopo.com. Retrieved February 16, 2013.
  52. ^ "[1]"
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  57. ^ Babcock, Jeffrey T. (2012). Should I Not Return: The Most Controversial Tragedy in the History of North American Mountaineering!. Publication Consultants. ISBN 978-1-59433-270-8.
  58. ^ Beckey 1993, p. 214.
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  62. ^ "Denali First Ascents and Interesting Statistics" (PDF). National Park Service.
  63. ^ "North America, United States, Alaska, Denali National Park, Denali, Butte Direct". American Alpine Journal. 40 (72). Golden, Colorado: American Alpine Club: 217. 1998. ISSN 0065-6925.
  64. ^ Secor 1998, p. 35.
  65. ^ a b Rozell, Ned (July 17, 2003). "Mountaineering and Science Meet on Mt. McKinley". Ketchikan, Alaska: Sitnews. Retrieved January 24, 2013.
  66. ^ "Japanese install probe on tallest US peak". The Japan Times. July 17, 2006. Retrieved January 24, 2013.
  67. ^ Dixon, Joseph S. (1938). Fauna of the National Parks of the United States. Washington, D.C.: National Park Service. Retrieved January 24, 2013.
  68. ^ http://www.wunderground.com/blog/weatherhistorian/the-coldest-places-on-earth Wunderground.com - Weather Extremes: The Coldest Places On Earth

Bibliography

Wikimedia Commons has media related to Denali.
Wikisource has the text of a 1905 New International Encyclopedia article about "Mount McKinley".
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