SPG Events and Festivals

Events, Guides & History Within 200 Miles of Pittsburgh

All Historical Markers in Smock

These are historical markers that have been installed by the Pennsylvania Historical & Museum Commission (PHMC). For more information on these markers, see the PHMC Historical Marker search page .

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America’s First Iron Puddling Furnace

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In 1817 ironmaster Isaac Meason and Welshman Thomas Lewis built a puddling furnace and bar rolling mill here using a process from Wales that revolutionized the iron industry. It removed carbon from brittle pig iron creating malleable wrought iron in one step, making iron production much more efficient and less costly. Later, “puddlers” in Pittsburgh formed the first metals union, Read more...