The pipe beneath the rocky path
Fairmount Water Works in High Resolution
Ghosts of Water in Fairmount Park, Part 1, with Adam Levine
Sandy Run Watershed and the Holmesburg Water Works
Philadelphia from Belmont, West Park (Picturesque America)
Fairmount Water Works (Picturesque America)
Schuylkill Navigation lock at Fairmount (Picturesque America)
Scenes on the Wissahickon Creek (Picturesque America)
Plans and maps of the Pennypack Creek Watershed in Philadelphia
Newspaper Clipping Scrapbooks of Frederic Graff Jr.,Chief Engineer of the Philadelphia Water Department: Part 1, 1854-1857