Press Photos by Tim Gilman 3166 - Congressman Charlie Dent helps Charlene Donchez Mowers, president of Historic Bethlehem Museums and Sites, unveil a plaque noting the designation of Historic Moravian Bethlehem as a National Historic Landmark District. Cynthia MacLeod, superintendent of Independence National Historic Park in Philadelphia, watches the unveiling. MacLeod, wearing an olive green parks department uniform, represented Sally Jewell, U.S. secretary of the interior, who oversees the National Park