


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

Thomas Run sewer outlet at Cobbs Creek

Thomas Run sewer outlet during construction

Wood truss drawbridge, Orthodox Street over Frankford Creek, 1899 [Detail]

Wood truss drawbridge, Orthodox Street over Frankford Creek, rebuilt 1899
