TITLE

After the Floods

AUTHOR(S)
Wagner, Eric
PUB. DATE
November 2009
SOURCE
High Country News;11/23/2009, Vol. 41 Issue 20, p14
SOURCE TYPE
Periodical
DOC. TYPE
Article
ABSTRACT
The article discusses the Ice Age Floods in the U.S. which causes the formation of scablands in the Northwest part of the country as stated by the Ice Age Floods National Geologic Trail. It mentions that 15,000 years ago, when the last ice age nearly ended, a part of Cordilleran Ice Sheet covering Alaska and western Canada blocks the Clark Fork River with an ice dam. The ice dam has collapsed, in which the water rumbled towards Portland onto Kalama Oregon and spewing sediments until California. The said event had repeated itself for more than 100 times over the nest 3,000 years before the end of Pleistocene Epoch. The floods' story is now being accepted due to 40 years of persistence of J Harlen Bretz, who have published the U.S. Geological Survey map of the Quincy Basin recently.
ACCESSION #
47116408

 

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