Relief Map of the Columbia River Basin [OC]Submitted by mushroomgnome t3_z8t34e in Washington
tri_wine t1_iydz34l wrote
Reply to comment by mudbutt4eva in Relief Map of the Columbia River Basin [OC] by mushroomgnome
The repeated draining of Lake Missoula created much of eastern Washington's landscape. Lake Missoula
WikiSummarizerBot t1_iydz4tr wrote
>Lake Missoula was a prehistoric proglacial lake in western Montana that existed periodically at the end of the last ice age between 15,000 and 13,000 years ago. The lake measured about 7,770 square kilometres (3,000 sq mi) and contained about 2,100 cubic kilometres (500 cu mi) of water, half the volume of Lake Michigan. The Glacial Lake Missoula National Natural Landmark is located about 110 kilometres (68 mi) northwest of Missoula, Montana, at the north end of the Camas Prairie Valley, just east of Montana Highway 382 and Macfarlane Ranch.
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