Last gasp of the Schuylkill Interceptor, December 20, 1956
Wingohocking Sewer across Penn St.
Diagram from sewage treatment plan for Philadelphia, 1912
Dauphin and Sydenham car crash, Jan. 17, 1978
Still photo from a video sewer inspection, 2000
Mill Creek Sewer under construction, 1883
Bill for Privy Cleaning, 1869
1779 Revolutionary War-era map of Philadelphia and environs
The Journey of Your Flush
Color Diagram of Plan for the Collection, Purification and Disposal of the Sewage of the City of Philadelphia