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COMING UP: It's Thursday Night Football Blitz presented by Connect For Health Colorado, with Demaryius Thomas & Rahim Moore. Watch it on CBSDenver.com at 6 p.m. or head to the new ViewHouse Centennial to see it live!

Duncan Smith

Photo by JoAnn Vineyard of Buena Vista on Sept. 28

Drought May Be Causing Of Colorado Aspen Tree Die-Off

A mysterious malady has killed off nearly one-fifth of Colorado’s aspens. But forest ecologists have struggled to explain the widespread die-off, known as Sudden Aspen Decline.

01/08/2012

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