Mill Creek Sewer under construction, 1883
Fairmount Water Works, W.H. Bartlett, 1839
Fairmount Water Works from the forebay, 1833
Fourth of July, Centre Square, ca. 1812
Wooden Water Pipe, removed from Market Street, December 6, 1901
Centre Square Engine House, ca. 1807
Thomas Run sewer outlet at Cobbs Creek
Thomas Run sewer outlet during construction
Wood truss drawbridge, Orthodox Street over Frankford Creek, 1899 [Detail]
Bridge Street Draw, draw partly open, July 26, 1897