OLIVER EVANS CHAPTER

Bucks County Trolley Lines In person presentation by Mike Szilagyi, AICP, author and historianWednesday, September 9, 2025, 6:00 – 7:30 pm Here is the link for people unable to attend in person: https://freelibrary-org.zoom.us/webinar/register/WN_jzRAHDU2To2gpnczTJNUDg Bucks County, Pennsylvania, was once served by 120 miles of trolley lines. During the decades spanning the 1890s…
Main Line Airport An Illustrated Lecture by Roger D. Thorne, Board Chairman, Tredyffrin-Easttown Historical Society The Great Valley of Chester County, PA, once an agricultural…
Christopher Storb in his blog, In Proportion to the Trouble, has provided a final look at this location that was researched by chapter members Jane…
Presented by Martha Capwell Fox, Archives & Museum Coordinator, National Canal Museum/Delaware & Lehigh National Heritage Corridor, Easton, PA Martha Capwell Fox is in charge…

The SIA’s emphasis on archeology reflects a concern for the tangible evidence of early industry. Our mission is the study, interpretation, and preservation of the surviving factories, machinery, bridges, canals, industrial communities and artifacts that are historically significant.



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