Map of Philadelphia Harbor, Delaware and Schuylkill, 1912
Cresheim Aqueduct
Fairmount Park topographical map, showing East Park Reservoir, 1872
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)
You would not have wanted to drink it: Philadelphia’s water supply in 1884