Helicopters to spray for black flies on Delaware, Lehigh rivers
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Helicopters to spray for black flies on Delaware, Lehigh rivers


NORTHAMPTON COUNTY, Pa. - Crews will be conducting their last aerial black fly (gnat) suppression operation on the Delaware and Lehigh rivers for the year Wednesday. The operation will begin after 7:30 a.m. and will include flights in Bucks, Lehigh, and …

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