3-28-08 Dust

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5min 32sec

Friday, March 28, 2008

Settling of West Kicked Up Loadsof Dust

In the late 19th century American West, grazing animals, farming, mining and other development stirred up nearly seven times more dust than before. Ryan Warner speaks with University of Colorado at Boulder Geology professor Jason Neff, who published his findings recently in the magazine Nature Geoscience.

Taking a mud core sample.
Jason Neff


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