Laurentian River System
From Infogalactic: the planetary knowledge core
File:J.W. Spencer's 1890 map of the ancient Laurentian River.jpg
An 1890 map of the ancient Laurentian River
The Laurentian River System is an ancient river in southern Ontario, Canada.[1][2][3][4] The river predates the recent ice ages. The river valley was filled with glacial debris. Water still flows down this old valley -- underground. The source of the aquifer is the Georgian Bay,[5] approximately 200 kilometres (120 mi) away.
In 2003 it was discovered that the southern section of the Laurentian aquifer reaches under High Park in Toronto, Canada.[5] This is believed to be where the Laurentian River System drains into Lake Ontario.
References
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See also
External links
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