Frankford Creek Watershed Historical Timeline
Newspaper Clipping Scrapbooks of Frederic Graff Jr.,Chief Engineer of the Philadelphia Water Department: Part 1, 1854-1857
Leverington Avenue Stormwater Sewer
Filling Low Land: A Story of Ash-Dumping in the Wingohocking Creek Watershed
Visions of the Schuylkill, 1884 and Now
Aramingo Canal, Then and Now
The Sad History of Frankford Creek