Red Lake!

· Lake Roosevelt (Arizona)

· Rainy Lake (Minnesota; Ontario, Canada)

· Red Lake (Minnesota)

· Lake Roosevelt (Arizona)

· Rainy Lake (Minnesota; Ontario, Canada)

· Red Lake (Minnesota)

i think that it should be lake superior because it is the biggest lake if you cut it in half of what is in Minnesota.

Lake Superior is not fully within MN state border. The largest lake within MN state border is Red Lake. Red Lake (both "Upper" and "Lower") - 288,800 acres

Red Lake and Mississippi River