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View Diary: BREAKING: Meteor airburst over Chelyabinsk (318 comments)

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  •  I was just thinking about that (2+ / 0-)
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    Just Bob, Troubadour

    When I was a kid (mid 60s) I remember my parents taking me to see Dry Falls over in eastern Washington. There was a sign that said the Columbia River had once gone over these falls with a volume many times that of Niagara, but no one knew why it changed course. Not long after that scientists began to accept the theory based on geological evidence that Dry Falls was an artifact of Lake Missoula breaking through its ice dam and inundating what is now eastern Washington, creating a new course for the Columbia that included Dry Falls. When Lake Missoula finished emptying, the Columbia returned to its normal course and the falls once again became dry. Apparently this happened several times.

    We learn and discover new things all the time and there is still so much to learn and discover. Western science is so wonderful.

    If you can't say anything nice about the GOP, please post here more often.

    by Omir the Storyteller on Fri Feb 15, 2013 at 10:47:22 AM PST

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