Allegheny Expressway articleFrom the Pittsburgh Press, October 28, 1973https://www.rachelcarsontrails.org/trails/rachel-carson-trail/expresswayArticle.pdf/viewhttps://www.rachelcarsontrails.org/@@site-logo/RCTClogo.svg
Allegheny Expressway article
From the Pittsburgh Press, October 28, 1973
— 517 KB