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- Alva_B._Adams_Tunnel length "21.0824064".
- Alva_B._Adams_Tunnel abstract "The Alva B. Adams Tunnel is the principal component of the largest transmountain water project in Colorado--the Colorado-Big Thompson Project (C-BT). The tunnel transfers water from the western slope of the Colorado River drainage to users on the eastern Front Range of Colorado. The tunnel is 13.1 miles (21.1 km) long and has a concrete lined diameter of 9.75 feet (2.97 m). The tunnel drops 109 feet (33 m) in elevation along its length and runs in a straight line under the Continental Divide from west to east passing under Rocky Mountain National Park. At its deepest point, the tunnel is about 3,800 feet (1,200 m) below the surface of the mountain peaks. Construction began on June 15, 1940, but was suspended as a result of World War II from the end of 1942 to August 1943. The tunnel was holed through on March 31, 1944, an event that was broadcast throughout the United States by NBC Radio. The tunnel was posthumously named for its chief advocate, US Senator Alva B. Adams.West of the Continental Divide the input of the tunnel is water pumped from Windy Gap Reservoir, Willow Creek Reservoir and other North Fork of the Colorado River drainages to Lake Granby. From Lake Granby the water is pumped into Shadow Mountain reservoir and then flows by gravity to Grand Lake (Colorado), Colorado's largest natural body of water, from where it pours through the tunnel. Lake Granby is the second largest reservoir in the state of Colorado with a nominal capacity of 470,000 acre feet (0.58 km3). Once the water reaches the Front Range on the eastern side of the Rocky Mountains it is used to generate electricity as it falls almost half a mile (1 km) through five power plants on its way down the Front Range. To get the power from the Front Range reservoirs and power plants back to the pumps on the western slope a 5-inch (13 cm) diameter water tight nitrogen-filled conduit carrying a 69,000 volt electric power transmission line is mounted on the roof of the tunnel. This power is used to power the pumps on the western side of the tunnel while surplus power is sold. West slope water is stored on the Front Range in Mary's Lake, Lake Estes, Carter Lake (all reservoirs), Flatiron Reservoir, Horsetooth Reservoir and Boulder Reservoir for power generation or release after the peak snow melt months of May to July have passed.The tunnel is capable of transporting 550 cubic feet per second (16 m3/s) of water. An average annual total of 213,000 acre feet (0.263 km3) of water are diverted through the tunnel from the west to the east slope per year. The tunnel can flow as much as 1,100 acre feet (1,400,000 m3) in one day. The water transferred through the tunnel is considered part of Colorado's Colorado River water allocation of 3,880,000 acre feet (4.79 km3) per year as agreed to in the Colorado River Compact.Entrance (West Portal, Underwater) 40.241200°N 105.802450°W / 40.241200; -105.802450Exit (East Portal) 40.326817°N 105.581991°W / 40.326817; -105.581991".
- Alva_B._Adams_Tunnel height "2.9718".
- Alva_B._Adams_Tunnel length "21082.4064".
- Alva_B._Adams_Tunnel location Rocky_Mountain_National_Park.
- Alva_B._Adams_Tunnel openingYear "1947".
- Alva_B._Adams_Tunnel routeStartLocation Grand_Lake_(Colorado).
- Alva_B._Adams_Tunnel status "Active".
- Alva_B._Adams_Tunnel thumbnail Grand_Lake.jpg?width=300.
- Alva_B._Adams_Tunnel wikiPageID "32867269".
- Alva_B._Adams_Tunnel wikiPageRevisionID "587385869".
- Alva_B._Adams_Tunnel caption "Grand Lake west end Alva B. Adams Tunnel".
- Alva_B._Adams_Tunnel character "water tunnel".
- Alva_B._Adams_Tunnel coordinates "Grand Lake:".
- Alva_B._Adams_Tunnel coordinates "Mary’s Lake exit:".
- Alva_B._Adams_Tunnel end "Mary’s Lake Colorado".
- Alva_B._Adams_Tunnel hasPhotoCollection Alva_B._Adams_Tunnel.
- Alva_B._Adams_Tunnel height "diameter".
- Alva_B._Adams_Tunnel length "long".
- Alva_B._Adams_Tunnel location "Under Rocky Mountain National Park Colorado".
- Alva_B._Adams_Tunnel open "1947".
- Alva_B._Adams_Tunnel owner "Northern Colorado Water Conservancy District".
- Alva_B._Adams_Tunnel start "Grand Lake".
- Alva_B._Adams_Tunnel status "Active".
- Alva_B._Adams_Tunnel system "Colorado- Big Thompson Project".
- Alva_B._Adams_Tunnel subject Category:Buildings_and_structures_in_Grand_County,_Colorado.
- Alva_B._Adams_Tunnel subject Category:Buildings_and_structures_in_Larimer_County,_Colorado.
- Alva_B._Adams_Tunnel subject Category:Buildings_and_structures_in_Rocky_Mountain_National_Park.
- Alva_B._Adams_Tunnel subject Category:Transportation_in_Grand_County,_Colorado.
- Alva_B._Adams_Tunnel subject Category:Transportation_in_Larimer_County,_Colorado.
- Alva_B._Adams_Tunnel subject Category:Tunnels_completed_in_1947.
- Alva_B._Adams_Tunnel subject Category:Water_tunnels_in_the_United_States.
- Alva_B._Adams_Tunnel point "40.247302 -105.810013".
- Alva_B._Adams_Tunnel type Artifact100021939.
- Alva_B._Adams_Tunnel type Object100002684.
- Alva_B._Adams_Tunnel type Passage103895293.
- Alva_B._Adams_Tunnel type Passageway103895585.
- Alva_B._Adams_Tunnel type PhysicalEntity100001930.
- Alva_B._Adams_Tunnel type Tunnel104497962.
- Alva_B._Adams_Tunnel type TunnelsCompletedIn1947.
- Alva_B._Adams_Tunnel type TunnelsInTheUnitedStates.
- Alva_B._Adams_Tunnel type WaterTunnels.
- Alva_B._Adams_Tunnel type Way104564698.
- Alva_B._Adams_Tunnel type Whole100003553.
- Alva_B._Adams_Tunnel type YagoGeoEntity.
- Alva_B._Adams_Tunnel type YagoPermanentlyLocatedEntity.
- Alva_B._Adams_Tunnel type ArchitecturalStructure.
- Alva_B._Adams_Tunnel type Infrastructure.
- Alva_B._Adams_Tunnel type Place.
- Alva_B._Adams_Tunnel type RailwayTunnel.
- Alva_B._Adams_Tunnel type RouteOfTransportation.
- Alva_B._Adams_Tunnel type Wikidata:Q532.
- Alva_B._Adams_Tunnel type Place.
- Alva_B._Adams_Tunnel type Location.
- Alva_B._Adams_Tunnel type _Feature.
- Alva_B._Adams_Tunnel type SpatialThing.
- Alva_B._Adams_Tunnel comment "The Alva B. Adams Tunnel is the principal component of the largest transmountain water project in Colorado--the Colorado-Big Thompson Project (C-BT). The tunnel transfers water from the western slope of the Colorado River drainage to users on the eastern Front Range of Colorado. The tunnel is 13.1 miles (21.1 km) long and has a concrete lined diameter of 9.75 feet (2.97 m).".
- Alva_B._Adams_Tunnel label "Alva B. Adams Tunnel".
- Alva_B._Adams_Tunnel sameAs m.0h3sxt5.
- Alva_B._Adams_Tunnel sameAs Q4737615.
- Alva_B._Adams_Tunnel sameAs Q4737615.
- Alva_B._Adams_Tunnel sameAs Alva_B._Adams_Tunnel.
- Alva_B._Adams_Tunnel lat "40.247302".
- Alva_B._Adams_Tunnel long "-105.810013".
- Alva_B._Adams_Tunnel wasDerivedFrom Alva_B._Adams_Tunnel?oldid=587385869.
- Alva_B._Adams_Tunnel depiction Grand_Lake.jpg.
- Alva_B._Adams_Tunnel isPrimaryTopicOf Alva_B._Adams_Tunnel.