Water Department Newsletters, 1959-1997
Water Bureau Newspaper Scrapbook, 1942-1952
Old News: Two unusual underground rescues
Plans and maps of the Pennypack Creek Watershed in Philadelphia
History of Belfield (1934)
Frankford Creek Watershed Historical Timeline
Drawing Dock Creek
MEET YOUR ENEMY: THE RAT
Overbrook, as it was. A brief history of the Overbrook neighborhood of Philadelphia, focusing on changes in the natural landscape.
Newspaper Clipping Scrapbooks of Frederic Graff Jr.,Chief Engineer of the Philadelphia Water Department: Part 1, 1854-1857
