സുപ്പീരിയർ തടാകം

ലോകത്തിലെ ഏറ്റവും വലിയ രണ്ടാമത്തെ തടാകമാണ് **സുപ്പീരിയർ തടാകം**. യു.എസ്.-കാനഡ അതിർത്തിയിലാണ് ഇത് സ്ഥിതിചെയ്യുന്നത്. പ്രതല വിസ്തീർണ്ണത്തിന്റെ കാര്യത്തിൽ ലോകത്തിലെ ഏറ്റവും വലുതാണിത്.

### ചിത്ര ജാലകം

Image:Lakesuperiorscenic.jpg|Lake Superior shoreline from Madeline Island in the Apostles
Image:Sunriseonlakesuperior.jpg|Sunrise on Lake Superior from Washburn, Wisconsin
Image:Lake_Superior_Coast.jpg|Lake Superior coast from Copper Harbor, Michigan
Image:Lake_superior_north_shore_sunset.jpg| Sunset from northern shore of Lake Superior


## അവലംബം

## അധിക വായനയ്ക്ക്
* Burt, Williams A., and Hubbard, Bela ''Reports on the Mineral Region of Lake Superior'' (Buffalo: L. Danforth, 1846), 113 pages.
* Grady, Wayne. *The Great Lakes: The Natural History of a Changing Region.*Greystone Books, D&M Publishers INC, 2007
* Hyde, Charles K., and Ann and John Mahan. *The Northern Lights: Lighthouses of the Upper Great Lakes.* Detroit: Wayne State University Press, 1995. ISBN 0-8143-2554-8 ISBN 9780814325544.
* Oleszewski, Wes, *Great Lakes Lighthouses, American and Canadian: A Comprehensive Directory/Guide to Great Lakes Lighthouses*, (Gwinn, Michigan: Avery Color Studios, Inc., 1998) ISBN 0-932212-98-0.
* Penrod, John, *Lighthouses of Michigan*, (Berrien Center, Michigan: Penrod/Hiawatha, 1998) ISBN 978-0-942618-78-5 ISBN 9781893624238
* Penrose, Laurie and Bill, A* Traveler’s Guide to 116 Michigan Lighthouses* (Petoskey, Michigan: Friede Publications, 1999). ISBN 0-923756-03-5 ISBN 9780923756031
* Sims, P.K. and L.M.H. Carter, eds. *Archean and Proterozoic Geology of the Lake Superior Region, U.S.A., 1993* [U.S. Geological Survey Professional Paper 1556]. Washington, D.C.: U.S. Department of the Interior, U.S. Geological Survey, 1996.
* Splake, T. Kilgore. *Superior Land Lights*. Battle Creek, MI: Angst Productions, 1984
* Stonehouse, Frederick. *Marquette Shipwrecks*. Marquette, MI: Harboridge Press, 1974
* Wagner, John L., *Michigan Lighthouses: An Aerial Photographic Perspective*, (East Lansing, Michigan: John L. Wagner, 1998) ISBN 1-880311-01-1 ISBN 9781880311011
* Wright, Larry and Wright, Patricia, *Great Lakes Lighthouses Encyclopedia* Hardback (Erin: Boston Mills Press, 2006) ISBN 1-55046-399-3
* U.S. Army Corps of Engineers. "Record Low Water Levels Expected on Lake Superior ." August 2007
* Great Lakes Environmental Research Laboratory. "Great Lakes Sensitivity to Climatic Forcing: Hydrological Models ." NOAA, 2006
;Shipwrecks
* "America"; Houghton, Michigan; Houghton Mining Gazette; Vol. 29; June 8, 1928
* Stonehouse, Frederick; Isle Royale Shipwrecks; Marquette, Michigan; Arery Color Studios; 1977
* "Cumberland" & "Wreck of Sidewheel Steamer Cumberland"; Detroit, Michigan; Detroit Free Press; January 29, 1974
* "S.S.George M. Cox Wrecked"; Houghton, Michigan; Houghton Mining Gazette; May 28, 1933
* Holdon, Thom "Reef of the Three C's"; Duluth, Minnesota; Lake Superior Marine Museum; Vol. 2, #4; July/August 1977
* Holdon, Thom; "Above and Below: Steamer America"; Duluth, Minnesota; Lake Superior Marine Museum; Vol. 3, #3 & #4; May/June & July/August 1978
## പുറം കണ്ണികൾ

* Lake Superior NOAA nautical chart #14961 online
* International Lake Superior Board of Control 
* EPA's Great Lakes Atlas
* EPA's Great Lakes Atlas Factsheet #1
* Great Lakes Coast Watch 
* Parks Canada Lake Superior 
* Minnesota Sea Grant - Lake Superior Page 
* Lake Superior Bathymetry 

വർഗ്ഗം:അമേരിക്കയിലെ ശുദ്ധജലതടാകങ്ങൾ
വർഗ്ഗം:കാനഡ-യു.എസ്. അതിർത്തി
വർഗ്ഗം:മഹാതടാകങ്ങൾ