COUNTYButler County Parks and Recreation Department free Thursday programs at Alameda Park include “Dry Ice” today and “The Biddle Boys” on Aug. 18, both at 6:30 p.m. in the Carousel Shelter. Call 724-284-5383.Moraine State Park, Muddy Creek Township, will host an oil field history exhibit from 11 a.m. to 5 p.m.Saturday off the Park Road exit. A kayak paddle will be from 10 a.m. to 2 p.m. Aug. 19; call 724 368-8811 for reservations.

REGIONMcConnells Mill State Park, Slippery Rock Township, Lawrence County, off Route 422, will have a papermaking program at 1:30 p.m. Friday at the mill. A volunteer work day will be from 9 a.m. to noon Aug. 20; call 724-368-8811 to register.Star parties sponsored by the Amateur Astronomers Association of Pittsburgh will begin, weather permitting,at 8:20 p.m. Friday and Saturdayat the Nicholas E. Wagman Observatory, Deer Lakes Regional Park, Frazer Township, Allegheny County. Call 724-224-2510.