Birch’s Views of Philadelphia, 1800
Cobbs Creek: A Brief Historical Overview by Adam Levine
Beauty from Utility: The Architect of the Southwest Sewage Pumping Station
Pipeline being laid in Wissahickon Avenue
Down Under!
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