Second in size only to the massive hydroelectric works at Niagara Falls, the Conowingo Dam across the Susquehanna River was celebrated as a miraculous feat of modern engineering when it opened in 1928.
Second in size only to the massive hydroelectric works at Niagara Falls, the Conowingo Dam across the Susquehanna River was celebrated as a miraculous feat of modern engineering when it opened in 1928.