The pipe beneath the rocky path
Last gasp of the Schuylkill Interceptor, December 20, 1956
You would not have wanted to drink it: Philadelphia’s water supply in 1884
Down Under III: A walk in the Dobson’s Run Storm Relief Sewer, June 15, 2010
Down Under, Part 2: Beaver Creek as it appears today
Overbrook, as it was. A brief history of the Overbrook neighborhood of Philadelphia, focusing on changes in the natural landscape.
Newspaper Clipping Scrapbooks of Frederick Graff Jr., Chief Engineer of the Philadelphia Water Department. Part 2: 1858-1871
Requiem for a stream: Still House Run in Manayunk
Leverington Avenue Stormwater Sewer
Petition of manufacturers along the Schuylkill River in Philadelphia for a new upstream water supply, 1868
