Schuylkill River from below the South Street Bridge, 1873
Fairmount Water Works (Picturesque America)
Chestnut Street Bridge, on the Schuylkill River (Picturesque America)
Last gasp of the Schuylkill Interceptor, December 20, 1956
Schuylkill River from below the South Street Bridge, 1873
Plan of Philadelphia, John Hills, 1796
Queen Lane Pumping Station, proposed design
Plan of Pine Street Sewer, 1830
Mill Creek Sewer under construction, 1883
Fairmount Water Works, W.H. Bartlett, 1839