(Lincoln Hwy Community) in Irwin, Westmoreland County, PA. Center Hwy (becomes Pennsylvania Av.) E. 0.3 miles from jct with US30 just W. of Irwin to the mural on the N. side of the road at 75 on the E. side of a building. (N40 19.69 W79 42.70) Photo by Jack Schmidt 8-4-06.