State and federal forest officials are bracing for a continuation of last year’s Douglas fir tussock moth outbreak that lightly defoliated fir and spruce trees in the Blue Mountains. A news release from the Oregon State University Extension Office in La Grande said light defoliation was mapped last year across 9,000 acres of the Umatilla National Forest, including 7,800 acres in Washington and 1,200 acres in Oregon.
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