Ghosts of Water in Fairmount Park, Part 1, with Adam Levine
Sandy Run Watershed and the Holmesburg Water Works
Plans and maps of the Pennypack Creek Watershed in Philadelphia
Wingohocking Sewer across Penn St.
Frankford Creek Watershed: A historical overview of the Philadelphia section
Frankford Creek Watershed Historical Timeline
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
Drawing Dock Creek
Down Under, Part 2: Beaver Creek as it appears today