Fairmount Gardens with the Schuylkill Bridge, 1839
Fairmount Water Works, W.H. Bartlett, 1839
Fairmount Water Works and the Schuylkill River, 1838
Fairmount and vicinity, 1839
Isometrical View of Fairmount Water Works, 1843
Centre Square Engine House, ca. 1807
Half a Century of Clean Water: The Clean Water Act, 1972-2022
Plan of the City of Philadelphia and Adjoining Districts, 1830
Map of Philadelphia showing Population in year 1920
Map of the County of Philadelphia from Actual Survey, 1843