Holtwood Dam

Posted by on Apr 19, 2016 in | Comments Off on 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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Grave Sites, Petroglyphs, and Relics: The Turn of the Century Archaeology of David Herr Landis

Posted by on Nov 26, 2013 in | Comments Off on 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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