Water Bureau Newspaper Scrapbook, 1942-1952
Annual reports and other documents relating to Philadelphia’s water supply system, 1796-1992
Down Under III: A walk in the Dobson’s Run Storm Relief Sewer, June 15, 2010
Requiem for a stream: A brief history of Dobson’s Run
Newspaper Clipping Scrapbooks of Frederick Graff Jr., Chief Engineer of the Philadelphia Water Department. Part 2: 1858-1871
Centre Square Water System
Two reports on the state of the Schuylkill River, 1867
Plan of Pine Street Sewer, 1830
Mill Creek Sewer under construction, 1883
Fairmount Water Works, W.H. Bartlett, 1839