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
Thomas Run sewer outlet at Cobbs Creek
Thomas Run sewer outlet during construction
Frankford Creek: Sad History of an Urban Stream title page
Logan Demanding Flood Relief, 8/18/38