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Sat, July 04

Researchers reveal ways to treat scale in aspens

Oystershell scale has ravaged many aspen trees in northern Arizona. The USFS and other groups are studying ways to treat the insect infestation. (Wendy Howell/WGCN)

Oystershell scale has ravaged many aspen trees in northern Arizona. The USFS and other groups are studying ways to treat the insect infestation. (Wendy Howell/WGCN)

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