[3] The lake drained to the southeast, through a channel passing near present day Rome, New York.

The subsequent melting of the ice dam resulted in a sudden lowering of the lake to its present level, a potential trigger for the Younger Dryas episode.

[4] Two ancient shorelines in the Toronto area mark the existence of former glacial lakes.

Further east, the Scarborough Bluffs also formed part of the shoreline of the ancient lake.

[7] In Hamilton, Ontario the Burlington Heights represents a sand and gravel bar formed across the mouth of Cootes Paradise, at the western end of Glacial Lake Iroquois.