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
Thomas Mill Covered Bridge over Wissahickon Creek (Picturesque America)
Wissahickon Pipe Aqueduct, Roxborough to Mt. Airy, 1868
Plan of Philadelphia, John Hills, 1796
Wingohocking Sewer across Penn St.
Queen Lane Pumping Station, proposed design
