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= = = Delaware = = =
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By 1920 , what is now DE 261 existed as a county road . When Delaware first assigned state highway numbers by 1936 , what is now DE 261 had been upgraded to a state highway , but did not receive a number at that time . By 1938 , DE 261 was designated onto its current alignment between US 202 and the Pennsylvania border , continuing the PA 261 designation . DE 261 was widened into a four @-@ lane road between US 202 and Silverside Road by 1966 . The four @-@ lane portion was extended north to Naamans Road a year later . In summer 2007 , construction on converting the intersection with US 202 into interchange was completed as part of the Blue Ball Properties project , a project undertaken to improve roads in this area as part of AstraZeneca locating their North American headquarters to the area . DE 141 was also realigned to intersect US 202 and DE 261 at this interchange . The total cost of the project was $ 123 million .
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= = = Pennsylvania = = =
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When Pennsylvania first legislated its highways in 1911 , what would become PA 261 was legislated as part of Legislative Route 180 between the Delaware border and Chelsea . PA 261 was first designated in 1928 to run from the Delaware border to PA 61 ( Concord Road ) and PA 161 ( Chelsea Road ) in Chelsea , following Foulk Road . By 1940 , PA 261 was extended north along Valley Brook Road from US 322 ( which replaced PA 61 ) to US 1 in Chester Heights . By 1980 , the northern terminus of PA 261 was truncated to its current location at the interchange with US 322 .
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= = Major intersections = =
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= Comair Flight 5191 =
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Comair Flight 5191 , marketed as Delta Connection Flight 5191 , was a scheduled United States ( US ) domestic passenger flight from Lexington , Kentucky , to Atlanta , Georgia , operated on behalf of Delta Connection by Comair . On the morning of August 27 , 2006 , at around 06 : 07 EDT , the Bombardier Canadair Regional Jet 100ER that was being used for the flight crashed while attempting to take off from Blue Grass Airport in Fayette County , Kentucky , four miles ( 6 kilometers ) west of the central business district of the City of Lexington .
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The aircraft was assigned the airport 's runway 22 for the takeoff , but used runway 26 instead . Runway 26 was too short for a safe takeoff , causing the aircraft to overrun the end of the runway before it could become airborne . It crashed just past the end of the runway , killing all 47 passengers and two of the three crew . The flight 's first officer was the only survivor .
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Although not the pilot in command , according to the cockpit voice recorder transcript , the first officer was the pilot flying at the time of the accident . In the National Transportation Safety Board report on the crash , investigators concluded that the likely cause of the crash was pilot error .
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= = Flight details = =
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The flight was sold under the Delta Air Lines brand as Delta Connection Flight 5191 ( DL5191 ) and was operated by Comair as Comair Flight 5191 ( OH5191 ) . It is usually identified as Comair Flight 5191 .
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The flight had been scheduled to land at Hartsfield @-@ Jackson Atlanta International Airport at 7 : 18 a.m.
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The aircraft involved was a 50 @-@ seat Bombardier Canadair Regional Jet CRJ @-@ 100ER , serial number 7472 . Manufactured in Canada in January 2001 , it was delivered to the airline on January 30 , 2001 .
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= = Crash = =
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The aircraft was assigned the airport 's Runway 22 for the takeoff , but used Runway 26 instead . Analysis of the cockpit voice recorder ( CVR ) indicated the aircraft was cleared to take off from Runway 22 , a 7 @,@ 003 feet ( 2 @,@ 135 m ) strip used by most airline traffic at Lexington . Instead , after confirming " Runway two @-@ two " , Captain Jeffrey Clay taxied onto Runway 26 , an unlit secondary runway only 3 @,@ 500 feet ( 1 @,@ 100 m ) long , and turned the controls over to First Officer James Polehinke for takeoff . The air traffic controller was not required to maintain visual contact with the aircraft ; after clearing the aircraft for takeoff , he turned to perform administrative duties and did not see the aircraft taxi to the runway .
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NTSB investigators concluded that the likely cause of the crash was pilot error . The board concluded that Clay and Polehinke ignored clues that they were on the wrong runway , failed to confirm their position on the runway and talked too much , in violation of " sterile cockpit " procedures . Comair later accepted responsibility for the crash , but also placed blame on the airport , for what it called poor runway signs and markings , and the Federal Aviation Administration , which had only one air traffic controller on duty , contrary to a memo it had previously issued to have two workers on overnight shifts . A judge ruled that , since it was owned by county governments , the airport had sovereign immunity and could not be sued by Comair .
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Based upon an estimated takeoff weight of 49 @,@ 087 pounds ( 22 @,@ 265 kg ) , the manufacturer calculated a speed of 138 knots ( 159 miles per hour or 256 kilometers per hour ) and a distance of 3 @,@ 744 feet ( 1 @,@ 141 m ) would have been needed for rotation ( increasing nose @-@ up pitch ) , with more runway needed to achieve lift @-@ off . At a speed approaching 100 knots ( 120 mph ) , Polehinke remarked , " That is weird with no lights " referring to the lack of lighting on Runway 26 – it was about an hour before daybreak . " Yeah " , confirmed Clay , but the flight data recorder gave no indication either pilot tried to abort the takeoff as the aircraft accelerated to 137 knots ( 158 mph ) .
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Clay called for rotation but the aircraft sped off the end of the runway before it could lift off . It then struck a low earthen wall adjacent to a ditch , becoming momentarily airborne , clipped the airport perimeter fence with its landing gear , and smashed into trees , separating the fuselage and flight deck from the tail . The aircraft struck the ground about 1 @,@ 000 feet ( 300 m ) from the end of the runway . Forty @-@ nine of the 50 people on board perished in the accident ; most of them died instantly in the initial impact . The resulting fire destroyed the aircraft .
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= = Victims = =
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All 47 passengers and two of the three crew members on board the flight died . Comair released the passenger manifest on August 29 , 2006 .
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Most of the passengers were US citizens from the Lexington area , ranging in age from 16 to 72 . They included a young couple who had been married the previous day and were traveling to California on their honeymoon .
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A memorial service for the victims was held on August 31 , 2006 , at the Lexington Opera House . A second public memorial service was held on September 10 , 2006 , at Rupp Arena in Lexington . The Lexington Herald @-@ Leader published a list of the victims with short biographies .
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The Flight 5191 Memorial Commission was established shortly after the crash to create an appropriate memorial for the victims , first responders , and community that supported them . The Commission chose the University of Kentucky Arboretum as its memorial site .
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= = Survivor = =
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James Polehinke , the first officer , suffered serious injuries , including multiple broken bones , a collapsed lung , and severe bleeding . Lexington @-@ Fayette and airport police officers pulled Polehinke out of the wreckage . Polehinke underwent surgery for his injuries , including an amputation of his left leg . Doctors later determined that Polehinke had suffered brain damage and has no memory of the crash or the events leading up to it . As of August 2007 , Polehinke was a wheelchair user . During the same month , Polehinke filed a lawsuit against the airport and the company that designed the runway and taxi lights . A January 2014 episode of Piers Morgan Live reported that Polehinke was paraplegic .
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The estates or families of 21 of the 47 passengers filed lawsuits against Polehinke . In response , Polehinke 's attorney , William E. Johnson , raised the possibility of contributory negligence on the part of the passengers . When asked by the plaintiffs ' attorney , David Royse , what that meant , Johnson replied that " ... ( they ) ... should have been aware of the dangerous conditions that existed in that there had been considerable media coverage about the necessity of improving runway conditions at the airport . " At the time Johnson submitted the contributory negligence defense , he had not yet been able to speak to Polehinke himself . By the time newspapers reported on the court documents , Johnson said he had already told Royse , who criticized the statements , that he would withdraw the argument . Prior to his employment by Comair , Polehinke worked for Gulfstream International as a captain .
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= = Aftermath = =
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During the course of its investigation , the Federal Aviation Administration ( FAA ) discovered that tower staffing levels at Blue Grass Airport violated an internal policy as reflected in a November 16 , 2005 , memorandum requiring two controllers during the overnight shift : one in the tower working clearance , ground , and tower frequencies , and another , either in the tower or remotely at Indianapolis Center , working TRACON ( radar ) . At the time of the accident , the single controller in the tower was performing both tower and radar duties . On August 30 , 2006 , the FAA announced that Lexington , as well as other airports with similar traffic levels , would be staffed with two controllers in the tower around the clock effective immediately .
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Comair discovered after the accident that all of its pilots had been using an airport map that did not accurately reflect changes made to the airport layout during ongoing construction work . The NTSB later determined that this did not contribute to the accident . Construction work was halted after the accident on the orders of Fayette Circuit Judge Pamela Goodwine in order to preserve evidence in the crash pending the inspection by safety experts and attorneys for the families of the victims .
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In April 2007 , acting on a recommendation made by the National Transportation Safety Board ( NTSB ) during its investigation of Comair 5191 , the FAA issued a safety notice that reiterated advice to pilots to positively confirm their position before crossing the hold @-@ short line onto the take @-@ off runway , and again when initiating takeoff . And in May , acting on another NTSB recommendation , the FAA advised that pilot training should include specific guidance on runway lighting requirements for take @-@ off at night .
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The NTSB released several reports on January 17 , 2007 , including transcripts and recordings of the CVR and an engineering report .
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In April 2007 , the NTSB made four further recommendations , three measures to avoid fatigue affecting the performance of air traffic controllers , and one to prevent controllers from carrying out non @-@ essential administrative tasks while aircraft are taxiing under their control . Although these recommendations were published during the course of the NTSB 's investigation into the accident to Comair Flight 5191 , they were in part prompted by four earlier accidents , and the Board was unable to determine whether fatigue contributed to the Comair accident .
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In July 2007 , a flying instructor for Comair testified that he would have failed both pilots for violating Sterile Cockpit Rules . Later the same month , the NTSB released its final report into the accident , citing this " non @-@ pertinent conversation " as a contributing factor in the accident .
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In July 2008 , United States District Judge Karl Forester ruled Delta will not be held liable for the crash , because while Comair is a wholly owned subsidiary of the Atlanta @-@ based airline , Comair maintains its own management and policies , and employs its own pilots . In December of the following year , Forester granted a passenger family 's motion for " partial summary judgment " determining , as a matter of law , that Comair 's flight crew was negligent , and that this negligence was a substantial factor causing the crash of Flight 5191 .
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Runway 8 / 26 on Blue Grass Airport was closed on March 2009 , and the new 4000 foot runway , runway 9 / 27 , opened on August 4 , 2010 . This runway has been built on a separate location not connected to the runway 22 .
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Families of 45 of the 47 passengers sued Comair for negligence . ( Families of the other two victims settled with the airline before filing litigation . ) Three sample cases were due to be heard on August 4 , 2008 ; but the trial was indefinitely postponed after Comair reached a settlement with the majority of the families . Cases brought by Comair against the airport authority and the FAA , arguing each should share in the compensation payments , are now resolved . The case against the airport authority was dismissed on sovereign immunity grounds , and this ruling was upheld by the Kentucky Supreme Court on October 1 , 2009 . In Comair 's case against the United States , a settlement was reached with the United States agreeing to pay 22 % of the liability for the crash , while Comair agreed to pay the remaining 78 % .
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All but one of the passengers ' families settled their cases . After a four @-@ day jury trial in Lexington , Kentucky , that ended on December 7 , 2009 , the estate and daughters of 39 ‑ year ‑ old Bryan Woodward were awarded compensatory damages in the amount of $ 7 @.@ 1 million . While Comair challenged this verdict as excessive , on April 2 , 2010 , Judge Forester overruled Comair 's objections and upheld the verdict .
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The Woodward case , formally known as Hebert v. Comair , was set for a punitive damages jury trial July 19 , 2010 . In that trial a different jury was to decide whether Comair was guilty of gross negligence that was a substantial factor causing the crash and , if so , the amount of any punitive damages the jury deemed appropriate . The decision to allow a jury trial was reversed in a later hearing , with the judge ruling that the company couldn 't be punished for the " reprehensible conduct " of its pilot .
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= = Probable cause = =
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During a public meeting on July 26 , 2007 , the NTSB announced the probable cause of the accident , as follows :
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The National Transportation Safety Board determines that the probable cause of this accident was the flight crew members ' failure to use available cues and aids to identify the airplane 's location on the airport surface during taxi and their failure to cross @-@ check and verify that the airplane was on the correct runway before takeoff . Contributing to the accident were the flight crew 's nonpertinent conversations during taxi , which resulted in a loss of positional awareness and the Federal Aviation Administration 's failure to require that all runway crossings be authorized only by specific air traffic control clearances .
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Captain Clay 's wife strongly disputes laying primary blame on the pilots , stating that other factors contributed , " including an under @-@ staffed control tower and an inaccurate runway map " .
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= = Similar accidents and incidents = =
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In 1993 , a commercial jet at Blue Grass Airport was cleared for takeoff on Runway 22 but mistakenly took Runway 26 instead . Tower personnel noticed the mistake and canceled the aircraft 's takeoff clearance just as the crew realized their error . The aircraft subsequently made a safe departure from Runway 22 .
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In January 2007 , a Learjet was cleared to take off at Blue Grass Airport on runway 22 , but mistakenly turned onto runway 26 . Takeoff clearance was canceled by the local controller prior to the start of the takeoff roll .
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On October 31 , 2000 , the crew of Singapore Airlines Flight 006 mistakenly used a closed runway for departure from Chiang Kai @-@ shek International Airport , Taipei . The Boeing 747 @-@ 400 collided with construction equipment during the takeoff roll , resulting in the deaths of 83 of the 179 passengers and crew on board .
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= Berg ( station ) =
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Berg is a station on the Sognsvann Line ( line 6 ) of the Oslo Metro in Norway . Located between Ullevål stadion and Tåsen stations , it is the first station after the Ring Line leaves the Sognsvann Line . The station is located 6 @.@ 1 kilometres ( 3 @.@ 8 mi ) from Stortinget station . Berg is amongst the original stations on the line , and was opened on 10 October 1934 . It was upgraded and rebuilt in the 1990s , when the Sognsvann Line was upgraded from light rail to rapid transit standard . Three accidents have taken place at Berg station , the latest in 2008 . The area around the station is mainly residential . Berg Upper Secondary School is located approximately 100 metres ( 330 ft ) from the station .
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= = History = =
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Berg station was opened on 10 October 1934 , when the municipally owned company Akersbanerne had completed the Sognsvann Line from Majorstuen to Sognsvann . Residential areas at Sogn , Tåsen and Berg were starting to grow , in pace with a larger suburban development plan . Akersbanerne bought new property along the line , upon which new houses were to be designed by the Norwegian architect Kristofer Lange ( 1886 – 1977 ) .
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The line was originally double @-@ tracked from Majorstuen to Korsvoll ( now Østhorn ) station and single @-@ tracked from Korsvoll to Sognsvann . On 21 February 1939 , the section from Korsvoll to Sognsvann was upgraded to double tracks , and Korsvoll station had its name changed to Østhorn .
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In the 1980s , the stations on the Sognsvann Line were rebuilt . The platforms were lengthened from fitting two @-@ car to fitting four @-@ car trains and the platform height was increased . The third rail made it impossible to cross the line at @-@ grade ; an underpass was therefore constructed at Berg station . The station was also redesigned in concrete with steel columns and wooden sheds designed by architect Arne Henriksen .
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In 1991 , Oslo Sporveier presented plans involving a rapid transit circle line in Oslo , connecting the newly built hospital Rikshospitalet with the rest of the city . A detailed suggestion was presented by Oslo Sporveier in August 1996 . In the local newspaper Aftenposten Aften there was a debate on whether there should be a ring line from Berg along the National Road 150 towards Gaustad over Rikshospitalet , or whether the Ullevål Hageby Line should be extended from John Colletts plass to Rikshospitalet , thereby creating a correspondence with the Sognsvann Line at the new station Forskningsparken . In the first plans , Berg was meant to be a station on the new ring line . This plan was discarded since local residents feared noise pollution and destroyed lawns . Even though Berg was not made a station on the Ring Line , noise shields were put up along the Sognsvann Line .
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Berg station has seen many accidents and almost @-@ accidents . In 1965 , a deadly accident occurred between Ullevål and Berg stations , when a train ran over a 33 @-@ year @-@ old man walking in the tracks . In 2002 , a 24 @-@ year @-@ old man was run over by a metro train approaching the station . The man survived the accident with minor wounds . In 2008 , a 21 @-@ year @-@ old drunk man was found crawling around on the tracks between the platforms . The police removed him from the station and sent him home in a taxi .
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= = Service = =
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Berg is served by line 6 on the Sognsvann Line , operated by Oslo T @-@ banedrift on contract with Ruter . The rapid transit serves the station every 15 minutes , except in the late evening and on weekend mornings , when there is a 30 @-@ minute headway . Travel time along the 6 @.@ 1 @-@ kilometre ( 3 @.@ 8 mi ) portion to Stortinget in the city center is 11 minutes .
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The station provides correspondence to the bus lines 23 and 24 at a nearby bus stop in Kaj Munks vei .
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= = Facilities = =
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Berg has two platforms , each with a wooden shed and ticket machines . The sheds are designed by Arne Henriksen in a minimalistic and standardised style with constructions of wood and steel .
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= = = Location = = =
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Berg is located in the borough of Nordre Aker , northeast of the residential area Ullevål Hageby , northwest of Voldsløkka , west of Tåsen , south of Nordberg and east of Sogn . The area Berg is named after an old farm from 1264 with the same name . The street John Colletts allé , starting from John Colletts plass in Ullevål Hageby , ends at Berg station . Kaj Munks vei , as part of the Norwegian National Road 150 , runs parallel with the line from Ullevål stadion via Berg to Tåsen , and continues thereafter towards Nydalen . There are many Swiss chalet and functionalist style houses in the residential area around the station . Berg Upper Secondary School is located 100 metres ( 330 ft ) from the station .
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= Adams River ( British Columbia ) =
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The Adams River is a tributary to the Thompson and Fraser Rivers in British Columbia , Canada . Beginning in the Monashee Mountains to the north , the Upper Adams River flows mainly southward and eventually reaches Adams Lake . The Lower Adams River begins at the southern end of the lake and flows into the extreme western end of Shuswap Lake . The river is one of the most important sockeye salmon breeding areas in North America . The run occurs in mid @-@ October and can bring millions of fish to a concentrated area near the river mouth . Excavations of Secwepemc villages on the river have shown a long tradition of habitation and salmon fishing in the area . The river also served as an important transportation route for early logging operations in the watershed .
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= = Course = =
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The headwaters of the Adams are several unnamed glaciers at roughly 2 @,@ 000 metres ( 6 @,@ 600 ft ) elevation in the north @-@ east region of the Monashee Range of the Columbia Mountains . The upper portion of the river flows roughly south and southwest through wetlands and passes through two small lakes , Tumtum and Mica . It has sections of rapids and whitewater , and flows over cataracts below Tumtum Lake . Its flow drops by 5 metres ( 16 ft ) per kilometre in certain sections . After travelling for 94 kilometres ( 58 mi ) and entering the Shuswap Highland , it enters the northern end of Adams Lake .
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Adams Lake is roughly 72 kilometres ( 45 mi ) along its north @-@ south axis , and reaches a maximum depth of 457 metres ( 1 @,@ 499 ft ) , making it the 24th deepest lake in the world . The Lower Adams issues from the extreme southern end of the lake and travels 11 kilometres ( 6 @.@ 8 mi ) through a narrow valley . It empties into Shuswap Lake near the community of Squilax . From Adams Lake to the Shuswap , the Lower Adams drops 60 metres ( 200 ft ) in elevation .
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= = = Tributaries = = =
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Tributaries of the Upper Adams include :
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Oliver Creek
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Dudgeon Creek
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Sunset Creek
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Fisher Creek
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Adams Lake and the Lower Adams are fed by :
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Cayenne Creek
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Sinmax Creek
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Momich River
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Hiuihill ( Bear ) Creek
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Nikwikwaia ( Gold ) Creek
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= = History = =
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= = = Secwepemc = = =
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The Secwepemc people have lived in the Adams River valley for millennia . A 1977 study by the provincial government along the lower river found sixty @-@ six sites with evidence of habitation dating to 2000 BCE . The abundance of the salmon run made the river an important food source and trade commodity for First Nations people in the region .
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Ethnographer James Teit records that the people of the Adams River area formed a sub @-@ group of the Secwepemc called the " Sxste 'lln " , now known as the Adams Lake Indian Band . The Sxste 'lln moved between summer and winter camps at the outlet of the lower river and the Little River area near Chase . The river 's namesake , Chief Sel @-@ howt @-@ ken ( baptized as Adam by Oblate missionaries ) was a Sxste 'lln leader in the 1860s . Like more than 200 of his people , he died in the 1862 smallpox epidemic .
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= = = Adams River Lumber Company = = =
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Although prospectors , surveyors , and trappers had travelled the region in the 1800s , the first large scale activity in the river valley by Europeans was logging . J.P. McGoldrick , an experienced lumberman from Spokane , established the Adams River Lumber Company in 1909 . He licensed large tracts of timber along both the Upper and Lower rivers , as well as the surrounding plateau . McGoldrick 's company is described as the first major industrial operation in the British Columbia Interior .
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A camp was built on the upper river and logging operations began at Tumtum Lake . The cut logs were run down the river , then towed in booms by the company owned sternwheeler Helen down Adams Lake . The logs then were run down the Lower river to the mill at Chase . In 1908 , Adams River Logging constructed a " splash dam " at the outlet of the Lower Adams . This dam allowed operators to raise the water level of Adams Lake . When sufficient logs had been collected above the dam , the gates were opened and the resulting flood carried the logs to Shuswap Lake . This proved to be destructive to the salmon run as it damaged the gravel beds the fish use to spawn .
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In order to move logs from the plateau above the Lower river , Adams River Lumber constructed several flumes . The flumes were elevated wooden troughs filled with water that floated logs down to the valley bottom . The largest of these was at Bear Creek . It incorporated trestles up to 25 metres ( 82 ft ) high and was capable of moving 3 @,@ 000 @,@ 000 metres ( 9 @,@ 800 @,@ 000 ft ) of logs per month . It was the largest flume in North America at its peak . The structures were dismantled after the areas became logged out .
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Although logging continues in the region , the Adams is no longer used for log transport .
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= = Ecology = =
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= = = Flora = = =
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Much of the ecology of the watershed has been affected by wildfires and forestry , and is considered to be in a seral phase . The river travels through several different vegetation zones . In its upper reaches , the Adams flows through the Interior Cedar Hemlock zone . These forests are similar to the coastal forests of British Columbia and contain old @-@ growth trees up to 1000 years in age . Old @-@ growth stands along the river also contain rare species of lichen , likely isolated by the last Ice Age . The floodplain of the Upper Adams contains wetland species of deciduous trees such as black cottonwood as well as a dense layer of shrubs including black twinberry , red @-@ osier dogwood , and thimbleberry . The lower river is dominated by the drier Interior Douglas Fir vegetation zone . Other conifer species present are Ponderosa pine , Engelmann spruce , and alpine fir . The area around the river mouth has been altered by human activities such as farming and livestock grazing .
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= = = Fauna = = =
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= = = = Sockeye salmon = = = =
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Adams River sockeye travel from their spawning grounds to the South Thompson River , then into the Fraser River , and enter the Pacific . From the Strait of Georgia , they spend three years in the open ocean following Arctic currents to Alaska and the Aleutian islands . They then retrace their route to the Adams , completing a round trip of over 4 @,@ 000 kilometres ( 2 @,@ 500 mi ) . They complete the arduous trip upstream , including navigating the swift waters and rapids of the Fraser Canyon , in just seventeen days . They do not eat during this period ; instead they rely on fat reserves stored up from heavy feeding in the Strait of Georgia in the late summer . It is at this point that the salmon take on their distinctive red hue , with the male fish also developing large humped backs and aggressive hooked mouths . How they are able navigate back to their natal river is not fully understood , but a highly developed olfactory system is believed to play a part .
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The alluvial gravel deposits that form the Adams river bottom are ideal for the development of salmon roe and alevins . The temperature and neutral Ph of the water is also well @-@ suited to the sockeye . Shuswap Lake , below the river , is called a " nursery lake " by biologists due to its high concentration of picoplankton , a food source for young salmon .
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= = = = Dominant runs = = = =
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The Adams River run occurs every year , but every fourth year ( called a " dominant " year ) , the numbers are much higher . 2014 was the most recent dominant run . According to Canada 's Department of Fisheries and Oceans , the Fraser River sockeye run of 2010 was the largest since 1913 , numbering an estimated 34 million fish . At least 3 @,@ 866 @,@ 000 of these fish returned to the Adams River to spawn . There is no clear consensus as to why the Adams stock has rebounded so remarkably ( 1991 saw an estimated return of 718 fish ) . In the Globe and Mail , Simon Fraser University biologist John Reynolds said “ [ predicting salmon numbers ] is massively complex , even for a scientist . ”
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= = = = Other fauna = = = =
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The Adams River valley supports large populations of mule deer , with smaller herds of white @-@ tail deer . Black bears are common in the watershed . The bear population grows substantially during the fall as they gather from adjacent valleys to feed on the spawning salmon . In the upper river valley , moose are common , and the headwaters of the river contain grizzly bear habitat . Several species of aquatic mammals are found on the river , including beaver , mink , and river otter .
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The river 's mouth has populations of Canada geese and swans . Other waterfowl include mallards , green @-@ winged teal , and goldeneye . The river supports Bald eagle and osprey populations , whose eyries can be seen high up in black cottonwood and dead conifers . Grouse , especially ruffed grouse , are numerous throughout the valley .
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= = Protected areas = =
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