Holtwood Dam

  In October 1905 McCall’s Ferry Power Co. began construction in Martic Township, Lancaster County, on what would be the second of four hydroelectric dams built to harness the power of the Susquehanna River below Harrisburg, Dauphin County. Twenty miles from the tidewater of the Chesapeake Bay, it was then the third longest dam in the world, built of solid concrete, 55 feet high. The...
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Alfred King’s Forgotten Fossil Footprints

The science of paleontology – the study of ancient life based on fossils – began in Western Europe about 1800. It soon cropped up in the United States, as the populace of a young and growing nation discovered many fossils. Among these early discoveries were those of fossil footprints, most famously found during the early 1800s in the Connecticut River Valley of Massachusetts and...
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Grave Sites, Petroglyphs, and Relics: The Turn of the Century Archaeology of David Herr Landis

Thousands of years ago, travelers from northeastern Asia­ – ancestors of Native Americans – followed the animals they hunted into what had once been inaccessible regions of Alaska. Over the newly-formed land bridge at the Bering Strait they came, eventually spreading across the North American continent, including the territory that became Pennsylvania. In the Commonwealth, as...
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PHMC Highlights

To celebrate the seventy-fifth anniversary of the New Deal, the PHMC created an attractive commemorative poster. Kathleen Alsvary of the Publications and Sales Division designed the poster and Bureau for Historic Preservation historian Kenneth C. Wolensky authored the historical context appearing on the reverse. Commemorating Pennsylvania’s role in the New Deal economic recovery programs during...
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Advanced Technology “Rubs” the Ancient Past

With more than 400,000 visitors, the Pennsylvania Farm Show, held each January, is a terrific opportunity to highlight the best of Pennsylvania agriculture. It’s also an exciting venue to showcase Pennsylvania archaeology and remind the public that archaeological sites are important endangered resources that need protection. Since 1980, PHMC’s Bureau for Historic Preservation and The...
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