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Mann Lakes
Mann Lakes
Location	County of St. Paul No. 19, Alberta
Coordinates	54°09′29″N 111°30′32″W / 54.158°N 111.509°W / 54.158; -111.509
Basin countries	Canada
Max. length	Upper 3.1 km (1.9 mi) Lower 3 km (1.9 mi)
Max. width	Upper 3.3 km (2.1 mi) Lower 3.5 km (2.2 mi)
Surface area	Upper 4.59 km (1.77 sq mi) Lower 5.10 km (1.97 sq mi)
Average depth	Upper 5.7 m (19 ft) Lower 4.0 m (13.1 ft)
Max. depth	Upper 9.1 m (30 ft) Lower 6.1 m (20 ft)
Surface elevation	Upper 618 m (2,028 ft) Lower 617 m (2,024 ft)
References	Mann Lakes

The Mann Lakes are two close basin lakes in Alberta. Once a single lake named Mann Lake, the construction of Highway 28 in 1961 split the lake in two. The more southerly Upper Mann Lake lies at 54°08′37″N 111°30′57″W / 54.14361°N 111.51583°W / 54.14361; -111.51583, and just north of it, the more northerly Lower Mann Lake at 54°10′N 111°30′W / 54.167°N 111.500°W / 54.167; -111.500. Since 1980, their water level has been steadily declining.

See also

• List of lakes in Alberta

References

1. Maceachern, Meagan (2018-05-29). "The road to Hwy. 28 - Bonnyville Nouvelle". Bonnyville Nouvelle. Retrieved 2018-07-09.
2. van der Kamp, Garth; Keir, Dwayne; Evans, Marlene S (January 2008). "Long-Term Water Level Changes in Closed-Basin Lakes of the Canadian Prairies". Canadian Water Resources Journal. 33 (1): 23–38. Bibcode:2008CaWRJ..33...23V. doi:10.4296/cwrj3301023. ISSN 0701-1784. S2CID 110220778.

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