Last gasp of the Schuylkill Interceptor, December 20, 1956
The Water Supply Problem of Philadelphia, 1899
Plan of Pine Street Sewer, 1830
Mill Creek Sewer under construction, 1883
‘Gillette, All By Himself, Gets Fine New Idea On Germ Slaying’
Outhouse over the Schuylkill near Pottstown
Plan for the Collection, Purification and Disposal of the Sewage of the City of Philadelphia, 1912
