Wisconsin WI Map

Glacial Lake Wisconsin was a prehistoric proglacial lake that existed from approximately 18,000 to 14,000 years ago, at the end of the last ice age, in the central part of present-day Wisconsin in the United States.
  • Location: North America
  • Group: Wisconsin
  • Lake type: former lake
  • Primary inflows: Keewatin ice sheet
  • Primary outflows: Black River (Wisconsin)
  • Basin countries: United States
  • First flooded: 18,000 years before present

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Data from: en.wikipedia.org