Petition of manufacturers along the Schuylkill River in Philadelphia for a new upstream water supply, 1868
Dealing with the city’s wastes in the mid-19th century
The Water and Drainage History of Philadelphia: A seven-part course
Dauphin and Sydenham car crash, Jan. 17, 1978
Privy Cleaning Receipt, 1885
Bill for Privy Cleaning, 1869
Half a Century of Clean Water
Sewer Demand Taken to City Hall, 7/25/32
Centennial Exhibition situation plan, 1876
Jar of raw sewage before treatment, 2000