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
Bottled vs. Tap in 1906
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
The Manayunk Expressway
High Water: Flooding in Philadelphia
Petition of manufacturers along the Schuylkill River in Philadelphia for a new upstream water supply, 1868
