Glacial Lake Missoula
Proglacial lake
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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 and contained about 2,100 cubic... Wikipedia
Glacial Lake Missoula formed as the Cordilleran Ice Sheet dammed the Clark Fork River just as it entered Idaho. The rising water behind the glacial dam weakened ...
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 ...
Glacial Lake Missoula: The Short Story About 15,000 years ago the valleys of western Montana lay beneath a lake nearly 2,000 feet deep.
The result was a glacial lake the size of Lake Erie and Lake Ontario combined. As the water rose to an elevation of 4250 feet, the pressure against the ice dam ...