from Pennsylvania founded in 1980

United States > Pennsylvania > 721915

United States > Pennsylvania > 720908

United States > Pennsylvania > 719768

United States > Pennsylvania > 718904

United States > Pennsylvania > 716917

United States > Pennsylvania > 716368

United States > Pennsylvania > 713184

United States > Pennsylvania > 713098

United States > Pennsylvania > 712696

United States > Pennsylvania > 710847

United States > Pennsylvania > 710947

United States > Pennsylvania > 711333

United States > Pennsylvania > 698276

United States > Pennsylvania > 709600

United States > Pennsylvania > 709053

United States > Pennsylvania > 709110

United States > Pennsylvania > 707823

United States > Pennsylvania > 703406

United States > Pennsylvania > 706099

United States > Pennsylvania > 706121