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[EarthNSky <erthnsky AT bellsouth.net>]

Exactly, Don.  The Grand Canyon, the Scablands, and about a bazillion 
other landscapes were carved quickly.  I recall, when I was traveling 
from Yakima to Spokane, feeling kind of awestruck, imagining being 
engulfed in a massive wall of water-lake Missoula washing away 
everything for hundreds of miles...

Don Bowen wrote:
> I've always believed/known that climate change could be quick.  You and
> I grew up in an era where it was taught that all processes are slow and
> gradual, but we all know there must be balance.  The Grand Canyon is a
> prime example...been there for millions of years, but a lot of erosion
> happened catastrophically in floods...
> ++++++++++++++++++++++++++++++++++++++++++++++
>
> This was an issue when describing the Channeled Scablands in Washington.  By 
> the 70s many geologists were saying the erosion happened very fast, maybe in 
> a few days.  But many geologists stuck with the very long ties they were 
> used to.  It was not until further research convinced many.
>
> Don Bowen      KI6DIU
> http://www.braingarage.com/Dons/Travels/journal/Journal.html 
>
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--
BevanRon of EarthNSky Farm   NW Georgia USDA Zone 7
34.498N 85.076W    Bev is Earth, Ron is Sky