Blog of the Pennsylvania State Historic Preservation Office

Category: Counties (Page 1 of 46)

A Delaware County Landmark Reopens!

I fondly remember my evening outings to my downtown movie theater as a child, especially waiting in a long queue at the Eric Pacific to secure coveted tickets to see the Empire Strikes Back in 1980.  While the theaters opened in Lancaster City in the 1980s were modern replacements of the landmark movie houses of the early twentieth century, the excitement of a day out at the movies was always a special memory.

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Marking the Journey, Part 1: We the People

Back in July, we announced the Historical Marker Program’s plans to recognize Pennsylvania’s role in U.S. history during the Semiquincentennial with a series of marker trails. These trails highlight both familiar and lesser-known stories, encouraging visitors to build a deeper and more meaningful connection to the past. Now, the first installment of Marking the Journey is live and ready to explore!

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Check Out Our Harvest!: An Update on Our Ongoing “Celebrate Your Barn!” Survey

You might remember hearing about the PA SHPO’s “Celebrate Your Barn” survey from our blog post back in June, from attending the Historic Barn and Farm Foundation’s 2025 Annual Meeting, from watching the news reporting on WGAL, from reading the newsletters from some of our state legislators, or by chatting with your neighbors – or another way. We’d love to know how you heard about our effort!

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Preventing Extinction: Saving the Last Wrought Iron Warren Pony Truss in PA

On large stained and moss-covered stone masonry abutments over a single line of tracks in Tredyffrin Township, Chester County rested a dinosaur, a wrought iron relic of the past originally constructed to support the industry of a developing nation. Its appearance was worn and weathered from over 140 years of service.

Random holes and a mixed bag of fastener types and sizes littered the visible faces. The original railroad floor system was long gone and replaced with a timber vehicular deck. Its live load carrying capacity was a mere fraction of what it once was. However, under all of this rust was a diamond, a rare and complete example of a wrought iron pin-connected warren pony truss with built-up corrugated diagonal tension members, the last of its kind.

This is the story of relocation and reuse, adaptive reuse, of the last known remaining pin-connected wrought iron Warren pony truss in Pennsylvania – The Howellville Truss (2004RE01890).

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Byberry Hall: Robert Purvis’ Legacy

September is International Underground Railroad Month and this week’s post features the story of Robert Purvis and Byberry Hall.

In 1844, Robert Purvis, a prominent Black abolitionist and leading figure in the Underground Railroad in Philadelphia, moved with his wife Harriet and their children to Byberry, a rural village in the far northern part of Philadelphia County.

For the next 27 years, they helped make Byberry a center of abolition and Underground Railroad activity. In 1847, Robert and two others built Byberry Hall as a meeting place for discussion of anti-slavery and other social issues. The building is now a key site on the Poquessing Trail of History.

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