DOVER-FOXCROFT – Paul F. Haertel, former superintendent of Acadia, Kenai Fjords and Lake Clark national parks, will lecture at 7 p.m. Tuesday, Oct. 4, at the Center Theater. The lecture, sponsored by the East Sangerville Grange, is open to the public and will focus on the steps involved in the national park designation process. For information, call 564-2722