Fairmount Water Works from the forebay, 1833
Fairmount and vicinity, 1839
Isometrical View of Fairmount Water Works, 1843
Fourth of July, Centre Square, ca. 1812
Wooden Water Pipe, removed from Market Street, December 6, 1901
Centre Square Engine House, ca. 1807
Bethlehem Water Works, 2011
Roman Aqueduct in Segovia, Spain
Norman Lofton inspects sewer at Ditman and Sheffield, 1987
Sewer crawler Clarence Baskerville checks tunnel for leaks. He has faced the dangers of working in sewers for past three years, 1971