Several of these photos are included in a slide show at 7:30 p.m. Friday, Aug. 7, 2009, at a National City bank branch, 318 W. Main St., Monongahela, Pa. The event celebrates the 40th birthday of the Noble J. Dick Aquatorium, an unusual park on the banks of the Monongahela River. Admission is $5, with proceeds benefiting the Monongahela Area Chamber of Commerce. Reservations are not required.