Aerial photograph showing flooding in the Traverse Gap, the former southern outlet of Glacial Lake Agassiz and the source of River Warren. Ice-covered Lake Traverse (Mde Hdakiŋyaŋ), a natural ...

The formation of Lake Agassiz is believed to have been triggered by the retreat of the Laurentide Ice Sheet, which covered much of North America during the last glacial period.

Two men drowned Tuesday afternoon when they plunged through the ice on a lake northwest of Agassiz. Agassiz RCMP were notified late that night that two men had gone ice fishing at Grace Lake and ...