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The largest known beaver dam is in Wood Buffalo National Park in Alberta, Canada, and is 775 metres (2,543 ft) long. [8] Satellite photos provided by NASA WorldWind show the dam did not exist in 1975, but it appeared in subsequent images. It has two or more lodges and is a combination of two original dams.
In 2007, the world's largest beaver dam – about 850-metre (2,790 ft) in length – was discovered in the park using satellite imagery. [ 26 ] [ 27 ] [ 28 ] The dam, at 58°16.3′N 112°15.1′W / 58.2717°N 112.2517°W / 58.2717; -112.2517 , [ 29 ] about 200 kilometres (120 mi) from Fort Chipewyan, had only been sighted by ...
Oahe Dam [2] United States: 1963 70.3 75 29 786 TE/ER 6 Mangla Dam Pakistan: 1967 65.4 147 7.25 1,000 TE or TE/ER 7 Gardiner Dam [6] Canada: 1967 65.4 64 9.4 186 TE 8 Oroville Dam United States: 1968 59.6 230 4.36 819 TE/ER 9 San Luis Dam (BF Sisk Dam) United States: 1967 59.6 93 2.52 424 TE 10 Nurek Dam Tajikistan: 1980 54 300 10.5 3,200 TE 11 ...
Smallwood Reservoir, Churchill Falls generating station, largest capacity in North America (5,428 MW installed, expandable to 9,252 MW); the world's second-largest reservoir. Ossokmanuan Reservoir , Twin Falls generating station (diverted to Churchill Falls)
A national push to "rewild" looks to restore natural environments that might help mitigate the effects of climate change.
World's Largest Mushroom Vilna: Alberta World's Largest Mushrooms in Vilna, Alberta, Canada, 20 feet high and 5 feet in diameter: World's Largest Oil Can Rocanville [22] Saskatchewan closeup of "World's Largest Oilcan" in Rocanville, SK. Summer 2004: World's Largest Oil Derrick: Redwater: Alberta: World's Largest Oil Lamp Donalda: Alberta Lamp ...
Photo of Baugh Creek, Idaho, illustrates how a string of beaver ponds in a barren, post-wildfire landscape, serves as wildlife refugia and potentially as firebreaks. Beaver dam visible at bottom of image. Courtesy of Prof. Joe Wheaton. Beaver and their associated ponds and wetlands may be overlooked as effective wildfire-fighting tools. [71]
The largest dam removal project in U.S. history has freed the Klamath River, inspiring hope among Indigenous activists who pushed for rewilding to help save salmon.