Creek to Sewer: Water History Video 1
Ghosts of Water in Fairmount Park, Part 1, with Adam Levine
Old News: Two unusual underground rescues
Rebirth of the Rivers: Water History Video 3
Plans and maps of the Pennypack Creek Watershed in Philadelphia
Frankford Creek Watershed Historical Timeline
Frankford Creek Watershed in the context of the development of Philadelphia’s sewers and sewage treatment system
Drawing Dock Creek
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
