Privy Cleaning Receipt, 1885
Mill Creek Sewer under construction, 1883
Centennial Exhibition situation plan, 1876
30th Street Sewer
69th St. Sewer and Culvert across Lansdowne AVe.
Outhouse over the Schuylkill near Pottstown
Pipes, pumping stations, interceptors or intercepting sewers, outfalls, separate and combined sewers, sewage treatment plants, and any other infrastructure related to the collection and treatment of sewage from homes and businesses.