Results for "Columbia River"

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  • Moses Coulee and the Ice Age Floods - Part I

    More from my Geology Series on Washington State Best if watched in HD 720p and full screen. Moses Coulee was formed by the ancient flow of the Columbia River up until the start of the Ice Age floods. Scientists speculate it could have caught the brunt of the first several sudden and massiv...

    Tags: Moses Coulee, Columbia River, Ice Age floods