112 A BE A AND DRAINAGE BASIN OF LAKE SUPERIOR 

 Areas of Lake Superior 



Total, including all bays and islands 32,166 square miles. 



Deduct islands : 



Isle Eoyal 223 square miles. 



St Ignace 112 



Michipicoten 83 " 



Simpson 36 



Grand 26 



■IT r>.-) (( 



Slate 14 



Copper . 12 



Apostle islands 82 " 



Total * 660 square miles. 



Total AA'ater surface 31,506 square miles. 



It is customaiy on the lake to look on cer- 

 tain nearly inclosed bays as distinct from the 

 lake. Deducting these : 



Whitefish bay 353 square miles. 



Nipigon bay 310 



Black bay 213 



Thunder bay 165 " 



Total area of bays 1,041 square miles. 



Resulting open-lake water surface 30,465 square miles. 



Of the 32,166 square miles of the total surface of the lake, there 

 are on the American side 23,359 square miles and on the Cana- 

 dian side 8,807 square miles. 



The boundary line across the lake between the Dominion and 

 the United States is 289 miles long. 



With a surface area of 32,166 square miles, Lake Superior is 

 the largest lake in the world. Next comes probably Victoria 

 Nyanza or Ukerewe, in equatorial Africa, with an estimated 

 area of 25,000 to 30,000 square miles. Lake Superior is a half 

 larger than Lake Michigan (22,000 square miles) or Lake Huron 

 (24,000 square miles) and nearly twice as large as Lake Erie 

 (10,000 square miles) and Lake Ontario (7,000 square miles) 

 combined. The combined area of the Great Lakes of the St 

 Lawrence as given by Schermerhornt is 95,275 square miles, 

 and a third of this is formed b}'- Lake Superior. 



♦ Including 50 square miles for smaller islands not enumerated. 



fL. Y. Scliermerhorn: Am. Jour, of Science, 3d series, vol. xxxiii, 1887, p. 278. 



