ESTACADA — An excavator rumbled over a pile of dead tree branches, limbs and woody debris in the Mount Hood National Forest east of Estacada, where the Riverside Fire began Sept. 8 and quickly ...
On a warm morning in Polk County, heavy equipment hummed through rows of citrus as a mobile carbonizer known as a “Tigercat” converted trees and grove debris into biochar — a porous, charcoal-like ...
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