050918 Ron Cress at P.A. Nearing Forest Preserve

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DeKalb County Forest Preserve volunteer Ron Cress talks Wednesday, about the damage that can be caused by the emerald ash borer as evidenced by the dozens of dead trees behind him along one of the closed trails at P.A. Nearing Forest Preserve in DeKalb.
Mark Busch - mbusch@shawmedia.com