Lake McConnell to have drained first into Lake Agassiz", an even larger lake to the southeast, "then into the Arctic Ocean via the Mackenzie River, then back into Lake Agassiz, and then back to the Arctic Ocean" at various times in its history. Either 8,300 or between 9,000 and 8,000 years ago, it divided to form Great Slave Lake and Lake Athabasca. These two and Great Bear Lake are considered its 'daughter' lakes. Lake McConnell Lake McConnell was a very large proglacial lake that existed in what is now Canada from 11,800 to 8,300 years ago. Other sources give starting and ending
Mackenzie River (Queensland) Ludwig Leichhardt, a German explorer who explored many parts of Queensland and the Northern Territory. Mackenzie River (Queensland) Note: Mackenzie River, Queensland is a locality but has no WP article. The Mackenzie River is a river located in Central Queensland, Australia. The Mackenzie River is a major tributary of the Fitzroy River, part of the largest river catchment flowing to the eastern coast of Australia. Formed by the confluence of the Comet and Nogoa rivers flowing from the Expedition Range, the river rises north of and flows generally north by east towards the Broadsound Range. North of the settlement of