


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

Wingohocking Sewer across Penn St.

Two Frankford Creek Bridges, 1896-1899

Centre Square Water Works, Drawings of Intake Basin

Centre Square Water Works, Frederick Graff, Sr. Plans, 1799

Centre Square Water Works, Latrobe Plans, 1799
