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Total Categories: 5
The Fraser Canyon is colloquially understood to extend from Lytton to Ashcroft, encompassing the Thompson Canyon, though its technical definition begins higher up the river.
Answer: False
The Fraser Canyon was primarily formed by the Fraser River cutting into the uplifting Interior Plateau during the Miocene epoch.
Answer: True
The Fraser Fault, which the Fraser Canyon follows, runs on a north-south axis and intersects the Yalakom Fault near Lillooet.
Answer: True
Lava flows found in the Fraser Canyon cliffs originated from volcanic activity in the southern Chilcotin Group during the Pliocene period.
Answer: True
The Fraser Canyon extends approximately 170 miles in length, with its northern boundary generally considered the confluence of the Chilcotin River.
Answer: True
The Little Canyon, located between Yale and Spuzzum, is officially recognized as the lowest reach of the Fraser Canyon.
Answer: False
The "Grand Canyon of the Fraser," located in the river's upper stretch, is characterized by a shallow rock gorge with a single treacherous rapid, lacking the extreme depth and severity of the southern canyon sections.
Answer: False
Besides Hells Gate Canyon, other named sub-canyons of the Big Canyon include the Lillooet Canyon and Fountain Canyon.
Answer: True
Several tributaries of the Fraser River feature their own canyons, including the Thompson Canyon and Coquihalla Canyon.
Answer: True
Several rivers and creeks feed into the Fraser River in or near the canyon, including the Anderson River, Chilcotin River, and Thompson River.
Answer: True
Yale, Lytton, and Lillooet are key towns situated along the Fraser Canyon.
Answer: False
The "Grand Canyon of the Fraser," located in the river's upper stretch, is characterized by a shallow rock gorge with a single treacherous rapid, lacking the extreme depth and severity of the southern canyon sections.
Answer: False
According to the source material, what is the technical geographical definition of the Fraser Canyon?
Answer: The narrow gorges of the Fraser River within the Coast Mountains, connecting the Interior Plateau to the Fraser Valley in British Columbia.
The formation of the Fraser Canyon primarily occurred during which geological epoch?
Answer: Miocene
Identify the geological fault line that runs north-south and is significantly associated with the Fraser Canyon.
Answer: The Fraser Fault
The lava flows observed in the Fraser Canyon cliffs are attributed to volcanic activity during which geological period?
Answer: Pliocene period
Located upstream from Prince George, how is the "Grand Canyon of the Fraser" described in comparison to the southern canyon sections?
Answer: It is a shallow rock gorge with only one treacherous rapid.
Which of the following is not listed as a named sub-canyon within the Big Canyon section of the Fraser River?
Answer: Thompson Canyon
Which other canyon is often included when the term "Fraser Canyon" is used colloquially?
Answer: The Thompson Canyon
The Fraser Canyon follows the course of which significant north-south running geological fault?
Answer: Fraser Fault
Which of the following is identified as a notable canyon located on a tributary feeding into the Fraser River?
Answer: The Coquihalla Canyon
The Canadian National Railway and the Trans-Canada Highway are carved into the rock faces of the southern Fraser Canyon.
Answer: True
BC Highway 12 follows the Fraser Canyon north of Lytton, while BC Highway 99 runs alongside it from Lillooet to Pavilion.
Answer: True
The Cisco bridges near Siska are notable because they mark the point where the Canadian Pacific and Canadian National railways switch sides of the Fraser River.
Answer: False
The Canadian Pacific Railway has at least 30 tunnels along its section between Yale and Lytton, with one extending for up to half a mile.
Answer: True
The Fraser Canyon Highway Tunnels were constructed as part of the Trans-Canada Highway project between 1957 and 1964.
Answer: True
The longest of the Fraser Canyon Highway Tunnels is approximately 610 meters (2,000 feet) long, while the shortest measures about 57 meters (187 feet).
Answer: True
The Hell's Gate tunnel is unique for not having lights, while the China Bar tunnel requires a ventilation system.
Answer: True
The warning lights in the China Bar and Alexandra tunnels are designed to alert cyclists before they enter due to the tunnels' curvature.
Answer: True
The Fraser Canyon Highway was surveyed in 1920 and constructed between 1924-1925, eventually being incorporated into the Trans-Canada Highway around 1962.
Answer: True
Warning lights in the China Bar and Alexandra tunnels are activated by cyclists to alert them to the tunnels' curvature.
Answer: False
Which major transportation routes are carved into the rock faces of the southern Fraser Canyon?
Answer: The Canadian National Railway, Canadian Pacific Railway, and Trans-Canada Highway
What is the significance of the Cisco bridges located near Siska?
Answer: They mark where the CN and CP railways switch sides of the Fraser River.
According to the directional running agreement between CN and CP railways, which line is utilized by eastbound trains?
Answer: The CP line exclusively.
The Fraser Canyon Highway, surveyed in 1920 and constructed thereafter, was integrated into which major highway system?
Answer: The Trans-Canada Highway
Which specific Fraser Canyon Highway Tunnel is distinguished by requiring a ventilation system?
Answer: China Bar Tunnel
What is the stated purpose of the warning lights within the curved China Bar and Alexandra tunnels?
Answer: To warn cyclists of the tunnels' curvature.
What was the approximate length of the longest tunnel constructed along the Canadian Pacific Railway's section between Yale and Lytton?
Answer: Half a mile (approx. 800 meters)
Which specific Fraser Canyon Highway Tunnel is uniquely characterized by the absence of lights?
Answer: Hell's Gate Tunnel
Approximately what year was the Fraser Canyon Highway incorporated into the Trans-Canada Highway system?
Answer: 1962
What is the purpose of the warning lights installed in the China Bar and Alexandra tunnels, specifically for cyclists?
Answer: Because the tunnels are curved.
During the frontier era, trails in the Fraser Canyon were described as precarious, resembling goat-tracks cut into granite, rather than wide and easily navigable paths.
Answer: False
During the Fraser Canyon Gold Rush of 1858-1860, significant historical events included the Fraser Canyon War and McGowan's War.
Answer: True
The sternwheeler "Skuzzy" navigated Fraser River rapids due to its multiple-compartment hull, designed for resilience against rock damage.
Answer: False
The construction of the Canadian Pacific Railway in the 1880s, due to limited space on the narrow mountainsides, led to the destruction of key portions of the Cariboo Wagon Road, cutting off direct road access to towns like Lytton and Boston Bar.
Answer: False
The Dewdney Trail and the Hudson's Bay Brigade Trail are significant historical trails associated with the Fraser Canyon.
Answer: True
The "McGowan's War" was a significant event during the Fraser Canyon Gold Rush, involving disputes over mining claims.
Answer: True
The sternwheeler "Skuzzy" featured a multiple-compartment hull, making it robust against damage from rocks in the Fraser River rapids.
Answer: False
How was travel through the Fraser Canyon characterized during the frontier era?
Answer: Precarious, with trails resembling goat-tracks requiring handholds.
During which historical period did thousands of miners populate the Fraser Canyon and experience events such as the Fraser Canyon War?
Answer: The Fraser Canyon Gold Rush (1858-1860)
What unique design feature of the sternwheeler "Skuzzy" aided its navigation of the Fraser River rapids?
Answer: A multiple-compartment hull
How did the construction of the Canadian Pacific Railway in the 1880s affect the Cariboo Wagon Road?
Answer: It destroyed key portions of the wagon road due to limited space.
What historical trails played significant roles in the early transportation and trade history of the Fraser Canyon region?
Answer: The Dewdney Trail and the Hudson's Bay Brigade Trail
What significant historical events transpired during the Fraser Canyon Gold Rush era (1858-1860)?
Answer: The Fraser Canyon War and McGowan's War
Narrow rock ledges at the confluence of the Bridge River near Lillooet create an obstacle for migrating fish.
Answer: True
The fishing site near Lillooet, formed by rock ledges, was believed to have hosted in excess of 10,000 First Nations people from various Interior tribes.
Answer: True
An archaeological site at the mouth of the Fraser Canyon documents the presence of the Stó:lō people dating back to the early Holocene period (8,000-10,000 years ago).
Answer: True
The Keatley Creek Archaeological Site, dated to 8000 BP, is linked to a period when a large lake formed above Lillooet due to a landslide.
Answer: True
The St'at'imc and Nlaka'pamux peoples are noted in connection with the canyon's history and geography, alongside the Stó:lō people.
Answer: True
Identify the geological feature north of Lillooet, near the Bridge River confluence, that obstructs migrating fish.
Answer: Narrow rock ledges
The Keatley Creek Archaeological Site is linked to a period when a large lake formed above Lillooet; what geological event caused this lake?
Answer: A landslide blocking the river
The presence of which Indigenous group in the Fraser Canyon is evidenced by archaeological sites dating to the early Holocene period (8,000-10,000 years ago)?
Answer: The Stó:lō people
What was the estimated number of First Nations individuals concentrated at the busy fishing site near Lillooet?
Answer: In excess of 10,000
Hells Gate is located near Boston Bar, where the canyon walls rise approximately 3,300 feet (1,000 meters) above the river.
Answer: False
The area around Hells Gate, also known as Black Canyon, may derive its name from the dark color of the rocks when wet or from a gold rush community.
Answer: True
A tourist attraction at Hells Gate, established in 1971, allows visitors to cross the canyon via an aerial tramway.
Answer: True
A rockslide at Hells Gate, caused by blasting for the Canadian Northern Railway in 1913, necessitated the installation of fish ladders.
Answer: True
At Hells Gate, what is the approximate elevation of the canyon walls above the river's rapids?
Answer: 3,300 feet (1,000 meters)
What event in 1913 caused a rockslide at Hells Gate, necessitating the installation of fish ladders?
Answer: Blasting activities for the Canadian Northern Railway construction.
Which of the following is not cited as a potential origin for the name "Black Canyon" in the Hells Gate vicinity?
Answer: The shadow cast by the high canyon walls.
What was the primary reason for constructing fish ladders at Hells Gate along the Fraser River?
Answer: To help migrating salmon bypass an obstruction caused by a rockslide.