Ghosts of Water in Fairmount Park, Part II, with Adam Levine
Plan of Philadelphia, John Hills, 1796
Wingohocking Sewer across Penn St.
Frankford Creek Watershed: A historical overview of the Philadelphia section
Report on channelization of Frankford Creek for flood control (1947)
Frankford Creek Watershed Historical Timeline
Two Frankford Creek Bridges, 1896-1899
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