Lake Agassiz facts for kids
The area that was covered by Lake Agassiz was the geographic center of North America. Its extent was about from 45° 30' to 55° of north latitude, and from 92° 30', on the international boundary, to 106°, on the Saskatchewan River.
Its existence was first proposed in 1823, It was named in 1879 after Louis Agassiz.
Lake Agassiz Facts for Kids. Kiddle Encyclopedia.