Lake Athabasca, Canada

Lake Athabasca is located in the Northwest corner of Saskatchewan and the Northeast corner of Alberta between the 58° and 60° latitudes. The lake covers 7,850km², is 283 km long, has a maximum width of 50 km, and a maximum depth of 243 metres (797'), and holds 204,000,000,000 cubic metres of water, making it the largest and deepest lake in Saskatchewan. Water flows northward from the lake via the Slave River and Mackenzie River systems, eventually reaching the Arctic Ocean. Fort Chipewyan, the oldest European settlement in Alberta, is located on the small eastern shore of the lake, where Slave River begins its northward journey alongside the eastern boundary of Wood Buffalo National Park. Image File history File links Lake_Athabasca. ... Image File history File links Lake_Athabasca. ... Motto: Multis E Gentibus Vires (From many peoples, strength) Other Canadian provinces and territories Capital Regina Largest city Saskatoon Lieutenant-Governor Lynda M. Haverstock Premier Lorne Calvert (NDP) Area 651,036 km² (7th) • Land 591,670 km² • Water 59,366 km² (9. ... Motto: Fortis et Liber (Strong and free) Other Canadian provinces and territories Capital Edmonton Largest city Calgary Lieutenant-Governor Norman Kwong Premier Ralph Klein (PC) Area 661,848 km² (6th) • Land 642,317 km² • Water 19,531 km² (2. ... Latitude, sometimes denoted by the Greek letter φ, gives the location of a place on Earth north or south of the Equator. ... metre or meter, see meter (disambiguation) The metre is the basic unit of length in the International System of Units. ... The Slave River is a Canadian river that flows from Lake Athabasca in northeastern Alberta and empties into Great Slave Lake. ... The lower Mackenzie River at the end of August. ... Fort Chipewyan is the oldest European settlement in the province of Alberta, Canada. ... Wood Buffalo National Park located in northeastern Alberta and southern Northwest Territories is the largest national park in Canada at 44,807 km². The park was setup in 1922 to protect the largest herd of free roaming wood bison, currently estimated at more than 2,000. ...

Uranium and gold mining along the northern shore resulted in the birth of Uranium City, Saskatchewan, which was home to the mine workers and their families. While the last mine closed in the 1980s, the effects of mining operations have heavily contaminated the northern shores. General Name, Symbol, Number uranium, U, 92 Chemical series actinides Group, Period, Block 3, 7, f Appearance silvery gray metallic; corrodes to a spalling black oxide coat in air Atomic mass 238. ... General Name, Symbol, Number gold, Au, 79 Chemical series transition metals Group, Period, Block 11, 6, d Appearance metallic yellow Atomic mass 196. ... The El Chino Mine located near Silver City, New Mexico is an open-pit copper mine This article is about mineral extraction. ... Uranium City is a village in north-western Saskatchewan, Canada. ... The 1980s decade refers to the years from 1980 to 1989, inclusive. ...

The Lake Athabasca Sand Dunes, the largest active sand dunes in the world north of 58°, are adjacent to the southern shore. After a long struggle with government bureaucracy and opposition from mining companies, the dunes were designated a "Provincial Wilderness Park" in 1992. 1992 (MCMXCII) was a leap year starting on Wednesday. ...

Lake Athabasca contains 23 species of fish, with a world record lake trout of 46.3 kilograms (101.8 lb) having been caught from its depths. Groups Conodonta Hyperoartia Petromyzontidae (lampreys) Pteraspidomorphi (early jawless fish) Thelodonti Anaspida Cephalaspidomorphi (early jawless fish) Galeaspida Pituriaspida Osteostraci Gnathostomata (jawed vertebrates) Placodermi Chondrichthyes (cartilaginous fish) Acanthodii Osteichthyes (bony fish) Actinopterygii (ray-finned fish) Sarcopterygii (lobe-finned fish) Actinistia (coelacanths) Dipnoi (lungfish) A fish is a poikilothermic (cold-blooded) water-dwelling... Binomial name Salvelinus namaycush (Walbaum, 1792) Lake trout (Salvelinus namaycush) is a freshwater char living mainly in lakes in northern North America. ... The international prototype, made of platinum-iridium, which is kept at the BIPM under conditions specified by the 1st CGPM in 1889. ...

Reference

• Lake Athabasca and associated Sand Dunes