Grove City, Pennsylvania, ADAP Request No. 71-1-7-42-0035
Reading Municipal Airport, Reading, Pennsylvania
Pennsylvania. Airport Project at Shamokin. Northumberland County
University Park Airport, State College, Pennsylvania
Greater Pittsburgh International Airport, Pittsburgh, Pennsylvania
Defense Use of Certain Federal Property: Philadelphia Area, Navy
Cross Valley Expressway, L.R. 1052 Section 1, Luzerne County, Pennsylvania
City of Philadelphia Airport High Speed Rail Line
Greater Pittsburgh International Airport, Pittsburgh, Pennsylvania. Book I. Introduction. Appendix A
Historic Resource Study - Allegheny Portage Railroad National Historic Site, Pennsylvania
Influence of Combined Highway Grade and Horizontal Alignment on Skidding
Mid-America Ports Study Executive Report: Mid-America's Ports
Evaluation of Fused Incinerator Residue as a Paving Material