Lake Warren
| Lake Warren | |
|---|---|
Map of Glacial Lakes Warren and Chicago (USGS 1915) | |
| Location | North America |
| Group | Great Lakes |
| Coordinates | 42°12′N 81°12′W / 42.2°N 81.2°W |
| Lake type | former lake |
| Etymology | Warren Upham |
| Primary inflows | Laurentide Ice Sheet |
| Primary outflows | Mohawk River |
| Basin countries | Canada United States |
| First flooded | 12,700 years before present |
| Max. length | 290 mi (470 km) |
| Max. width | 110 mi (180 km) |
| Residence time | 200 years in existence |
| Surface elevation | 690 ft (210 m) 680 ft (207 m) 675 ft (206 m) |
| References | Lewis CFM, Cameron GDM, Anderson TW, Heil CW Jr, Gareau PL. 2012. Lake levels in the Erie Basin of the Laurentian Great Lakes. Journal of Paleolimnology 47:493-511. |
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Lake Warren was a proglacial lake that formed in the Lake Erie basin around 12,700 years before present (YBP) when Lake Whittlesey dropped in elevation. Lake Warren is divided into three stages: Warren I 690 feet (210 m), Warren II 680 feet (210 m), and Warren III 675 feet (206 m), each defined by the relative elevation above sea level.