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Ten thousand years ago massive ice age floods tore up much of the northwest section of the continent, forever changing the look of the land. This special report uses stunning photography and great animation to show us what happened then and what it look like if the floods were to happen again today.

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Oregon Field Guide

Missoula Floods

OPB | Sept. 3, 2009 1:30 p.m.

The Missoula floods changed the landscape of Oregon and Washington some 17,000 years ago.

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Major Support Provided By: Dorothy D. Gage

Additional Support Provided By: the Coit Family Foundation, Fred and Clara Dolen Charitable Foundation, Kay Kitagawa and Andy Johnson-Laird, Christine and David Vernier, and the Greenfield/Hartline Habitat Conservation Fund of the Nature Conservancy.

Special thanks for support by: The Roundhouse Foundation, Jon and Nancy Decherd, Bonnie and Peter Reagan