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Close To The Edge (cave)
Close to the Edge is a significant cave in the Dezaiko Range of the Rocky Mountains in British Columbia, Canada. It is within Close To The Edge Provincial Park and Protected Area about 160 km east of Prince George, British Columbia. Name origin The cave is named for its remarkable cliffside location; a caver standing on the entrance rampart can look down the 255-metre entrance shaft on one side and down some 700 metres to the valley floor on the other. This topographic oddity is also reminiscent of the artwork on the 1972 record album ''Close to the Edge'' by the band Yes, which featured lakes improbably perched on mountain summits. Local cavers also felt close to the edge of their abilities while exploring the unprecedented deep shaft. Cave setting and form The 20m wide entrance to Close to the Edge is located in a cliff near the summit of an unnamed mountain, but is hidden by a natural rampart and thus only visible from the air. The entrance shaft is 255 m deep, by f ...
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Close To The Edge Provincial Park And Protected Area
Close To The Edge Provincial Park and Protected Area is a provincial park and a protected area in British Columbia, Canada. History and conservation The Park was established June 29, 2000 to protect Close To The Edge, a significant cave feature: the deepest shaft (255 m) and the third-deepest cave (472 m) in Canada. The cave was discovered in 1985, but its bottom was not reached until 2001. The adjacent Protected Area was established on January 25 2001 to protect the less significant caves Bluebell Resurgence Cave and Twin Falls Resurgence, and is a lower level of protection which allows future logging road access to the headwaters of Hedrick Creek. Both the Park and the Protected Area also protect habitat for caribou, moose, black and grizzly bears. Geography Close To The Edge Provincial Park and Protected Area is located within the Dezaiko Range of the Canadian Rocky Mountains approximately 160 kilometres northeast of Prince George, British Columbia. It is 702 hectare ...
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Sump (cave)
A sump, or siphon, is a passage in a cave that is submerged under water. A sump may be static, with no inward or outward flow, or active, with continuous through-flow. Static sumps may also be connected underwater to active stream passage. When short in length, a sump may be called a duck, however this can also refer to a section or passage with some (minimal) airspace above the water. Depending on hydrological factors specific to a cave – such as the sea tide, changes in river A river is a natural flowing watercourse, usually freshwater Fresh water or freshwater is any naturally occurring liquid or frozen water containing low concentrations of dissolved salts and other total dissolved solids. Although the ... flow, or the relationship with the local water table – sumps and ducks may fluctuate in water level and depth (and sometimes in length, due to the shape of adjacent passage). Exploration past a sump Diving Short sumps may be passed simply by hold ...
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Caves Of British Columbia
A cave or cavern is a natural void in the ground, specifically a space large enough for a human to enter. Caves often form by the weathering of rock and often extend deep underground. The word ''cave'' can refer to smaller openings such as sea caves, rock shelters, and grottos, that extend a relatively short distance into the rock and they are called ''exogene'' caves. Caves which extend further underground than the opening is wide are called ''endogene'' caves. Speleology is the science of exploration and study of all aspects of caves and the cave environment. Visiting or exploring caves for recreation may be called ''caving'', ''potholing'', or ''spelunking''. Formation types The formation and development of caves is known as ''speleogenesis''; it can occur over the course of millions of years. Caves can range widely in size, and are formed by various geological processes. These may involve a combination of chemical processes, erosion by water, tectonic forces, microorganism ...
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The Canadian Caver
''The Canadian Caver'' is a semiannual publication that documents the activities of Canadian cavers exploring caves within Canada and overseas. ''The Canadian Caver'' was created by members of the McMaster University Climbing and Caving Club from McMaster University in Hamilton, Ontario to document cave explorations throughout North America at a time when Canada's fledgeling caving clubs had no club newsletters. The first issue was produced in December 1969 and included articles on cave exploration in Alberta, Mexico, West Virginia and Georgia, and climbing in the Bugaboos of British Columbia.''The Canadian Caver'' No.1, December 1969 By 1974 caving clubs in western Canada had achieved a level of maturity and stability (aided by the emigration of MUCCC cavers) that allowed the production and editorship of ''The Canadian Caver'' to move to Edmonton, Alberta, where it remained for several years. In 1978 cavers from Vancouver Island produced an issue, which introduced the concept ...
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List Of Caves In Canada
This is an incomplete list of caves in Canada. Most notable caves are in western Canada and in parts of southern Ontario where limestone predominates. See also * List of caves * Speleology References {{DEFAULTSORT:Caves in Canada * Canada Caves Caves A cave or cavern is a natural void in the ground, specifically a space large enough for a human to enter. Caves often form by the weathering of rock and often extend deep underground. The word ''cave'' can refer to smaller openings such as sea ...
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University Of Calgary
The University of Calgary (U of C or UCalgary) is a public research university located in Calgary, Alberta, Canada. The University of Calgary started in 1944 as the Calgary branch of the University of Alberta, founded in 1908, prior to being instituted into a separate, autonomous university in 1966. It is composed of 14 faculties and over 85 research institutes and centres. The main campus is located in the northwest quadrant of the city near the Bow River and a smaller south campus is located in the city centre. The main campus houses most of the research facilities and works with provincial and federal research and regulatory agencies, several of which are housed next to the campus such as the Geological Survey of Canada. The main campus covers approximately . A member of the U15, the University of Calgary is also one of Canada's top research universities (based on the number of Canada Research Chairs). The university has a sponsored research revenue of $380.4 million, w ...
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Stephen Alvarez
Stephen Alvarez (born 1965) is an American photojournalist. He is founder and president of the Ancient Art Archive, a global initiative to record, preserve, and share high-resolution images of ancient artwork. Throughout his career, he has produced global stories about exploration and culture. He became a National Geographic photographer in 1995. His pictures have won awards in Pictures of the Year International and Communications Arts and have been exhibited at Visa Pour L’Image International Photojournalism Festival
in Perpignan, France.


Life and education

Stephen Alvarez was born in , where he continues to reside with his family. In 1987 he graduated from

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Cave Survey
A cave survey is a map of all or part of a cave system, which may be produced to meet differing standards of accuracy depending on the cave conditions and equipment available underground. Cave surveying and cartography, i.e. the creation of an accurate, detailed map, is one of the most common technical activities undertaken within a cave and is a fundamental part of speleology. Surveys can be used to compare caves to each other by length, depth and volume, may reveal clues on speleogenesis, provide a spatial reference for other areas of scientific study and assist visitors with route-finding. Traditionally, cave surveys are produced in two-dimensional form due to the confines of print, but given the three-dimensional environment inside a cave, modern techniques using computer aided design are increasingly used to allow a more realistic representation of a cave system. History The first known plan of a cave dates from 1546, and was of a man-made cavern in tufa called the Stufe ...
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Yes (band)
Yes are an English progressive rock band formed in London in 1968 by lead singer and frontman Jon Anderson, bassist Chris Squire, guitarist Peter Banks, keyboardist Tony Kaye and drummer Bill Bruford. The band has undergone numerous line-up changes throughout their history, during which 19 musicians have been full-time members. Since May 2022, the band has consisted of guitarist Steve Howe, keyboardist Geoff Downes, singer Jon Davison, and bassist Billy Sherwood, as well as touring drummer Jay Schellen. Yes have explored several musical styles over the years and are most notably regarded as progressive rock pioneers. Yes began performing original songs and rearranged covers of rock, pop, blues and jazz songs, as evidenced on their self-titled first album from 1969, and it's follow-up '' Time and a Word'' from 1970. A change of direction later in 1970 led to a series of successful progressive rock albums, with four consecutive U.S. platinum or multi-platinum sellers in ...
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British Columbia
British Columbia (commonly abbreviated as BC) is the westernmost Provinces and territories of Canada, province of Canada, situated between the Pacific Ocean and the Rocky Mountains. It has a diverse geography, with rugged landscapes that include rocky coastlines, sandy beaches, forests, lakes, mountains, inland deserts and grassy plains, and borders the province of Alberta to the east and the Yukon and Northwest Territories to the north. With an estimated population of 5.3million as of 2022, it is Canada's Population of Canada by province and territory, third-most populous province. The capital of British Columbia is Victoria, British Columbia, Victoria and its largest city is Vancouver. Vancouver is List of census metropolitan areas and agglomerations in Canada, the third-largest metropolitan area in Canada; the 2021 Canadian census, 2021 census recorded 2.6million people in Metro Vancouver Regional District, Metro Vancouver. The First Nations in Canada, first known human inhabi ...
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Close To The Edge (Yes Album)
''Close to the Edge'' is the fifth studio album by English progressive rock band Yes. It was released on 13 September 1972 by Atlantic Records, and is their last album of the 1970s to feature their original drummer Bill Bruford. After scoring a commercial and critical hit with '' Fragile'' and touring the album, Yes regrouped to prepare material for a follow-up, ideas for which had been put down some months before. The album's centrepiece is the 18-minute title track, with themes and lyrics inspired by the Herman Hesse novel '' Siddhartha''. Side two contains two non-conceptual tracks, the folk-inspired " And You and I" and the comparatively straightforward rocker " Siberian Khatru". Bruford found the album particularly laborious to make, which culminated in his decision to quit the band after it was recorded, to join King Crimson. ''Close to the Edge'' became the band's greatest commercial success at the time of release. It peaked at No. 4 on the UK Albums Chart and No. 3 on ...
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Prince George, British Columbia
Prince George is the largest city in northern British Columbia, Canada, with a population of 74,004 in the metropolitan area. It is often called the province's "northern capital" or sometimes the "spruce capital" because it is the hub city for Northern BC. It is situated at the confluence of the Fraser and Nechako rivers, and at the crossroads of Highway 16 and Highway 97. History The origins of Prince George can be traced to the North West Company fur trading post of Fort George, which was established in 1807 by Simon Fraser and named in honour of King George III.Runnalls, F.E. A History of Prince George. 1946 The post was centred in the centuries-old homeland of the Lheidli T'enneh First Nation, whose very name means "people of the confluence of the two rivers." The Lheidli T'enneh name began to see official use around the 1990s and the band is otherwise historically referred to as Fort George Indian Band.George, N. D. "Decolonizing the Empathic Settler Mind: An Autoet ...
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