Last gasp of the Schuylkill Interceptor, December 20, 1956
You would not have wanted to drink it: Philadelphia’s water supply in 1884
Petition of manufacturers along the Schuylkill River in Philadelphia for a new upstream water supply, 1868
The Water Supply Problem of Philadelphia, 1899
Half a Century of Clean Water
Outhouse over the Schuylkill near Pottstown