Keywords: Antitam Creek Aqueduct C and O Canal.jpg en Antitam Creek Aqueduct C and O Canal National Park Service http //www hscl cr nps gov/insidenps/report asp STATE PARK CHOH STRUCTURE SORT RECORDNO 450 National Park Service Department of the Interior US Government Chesapeake Ohio Canal National Historical Park Canal aqueducts in the United States PD-USGov |