Making It Safe to Drink: Water History Video 2
Rebirth of the Rivers: Water History Video 3
Drainage area plan, early 19th century
Last gasp of the Schuylkill Interceptor, December 20, 1956
Diagram from sewage treatment plan for Philadelphia, 1912
Southwest Sewage Treatment Plant under construction, 1949
The Water Supply Problem of Philadelphia, 1899
Dauphin and Sydenham car crash, Jan. 17, 1978
Privy Cleaning Receipt, 1885
Plan and profile of proposed Delaware Seventh St. Sewer, 1850