Creek to Sewer: Water History Video 1
Old News: Two unusual underground rescues
Plans and maps of the Pennypack Creek Watershed in Philadelphia
Frankford Creek Watershed Historical Timeline
Drawing Dock Creek
MEET YOUR ENEMY: THE RAT
Newspaper Clipping Scrapbooks of Frederic Graff Jr.,Chief Engineer of the Philadelphia Water Department: Part 1, 1854-1857
Newspaper Clipping Scrapbooks of Frederick Graff Jr., Chief Engineer of the Philadelphia Water Department. Part 2: 1858-1871
Requiem for a stream: Adams Run in Oak Lane
The Sad History of Frankford Creek