Glacial Lake Wisconsin
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.
| Glacial Lake Wisconsin | |
|---|---|
Glacial Lake Wisconsin | |
| Location | North America |
| Group | Wisconsin |
| Coordinates | 44°N 90°W |
| 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 |
| Max. length | 241 mi (388 km) |
| Max. width | 57 mi (92 km) |
| Average depth | 160 ft (49 m) |
| Residence time | 4000 years in existence |
| Surface elevation | 160 ft (49 m) |
| Islands | Mill Bluff State Park and Roch-a Cri |
| References | Dott, Robert H. Jr; John W. Attig (2004). Roadside Geology of Wisconsin |
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