Drive along the Wissahickon Creek Vallley (Picturesque America)
Thomas Mill Covered Bridge over Wissahickon Creek (Picturesque America)
Wissahickon Pipe Aqueduct, Roxborough to Mt. Airy, 1868
Plan of Philadelphia, John Hills, 1796
Girard Avenue Bridge, Fairmount Park, 1895
Queen Lane Pumping Station, proposed design
Photos from the Philadelphia Anglers’ Club
Centre Square Water Works, Drawings of Intake Basin
Centre Square Water Works, Frederick Graff, Sr. Plans, 1799
Centre Square Water Works, Latrobe Plans, 1799