31,000 square miles approximately the size of Main. Largest freshwater lake in the world as of surface area. usually 700 feet deep, deepest spot 1,332 feet. Has a shoreline of 1,126 miles. Formed from glaciers and volcanos. Minnesota, Wisconsin, and michigan border Lake Superior.

PROS/CONS

• Positive: became home to millions of citizens and Canadians from its natural beauty.
• Positive:Attracts tourism which helps the states that border the lake with money.
• Negative: toxic pollution such as dioxin, mercury, and PCBs cause problems.
• Negative: fishermen are limited on specific fish amounts.

Human problems
Air contaminates from thousands of miles away are entering the lake. America and Canada have agreed to a demonstration program. Over fishing have decimated the fish populations.

FACTS

• Rainbow smelt are the most abundant fish in the lake.
• The sea lamprey was introduced to the lake accidentally.
• Duluth averages 79 inches of snow per year due to the lake effect.
• Lake Superior is home to 350 shipwrecks on record.
• The average temperature of the lake is 40 degrees Fahrenheit.

WORKS CITED

• Superior pursuit brosure
• http://en.wikipedia.org/wiki/Lake_Superior
• Brittanica elementary
• Brittanica middle
• Brittanica high school

QUIZ QUESTION