A Brief History of Water in Northwest Philadelphia
Ghosts of Water in Fairmount Park, Part 1, with Adam Levine
Water Department Newsletters, 1959-1997
Water Bureau Newspaper Scrapbook, 1942-1952
Map Lovers’ Monday: Water for City Hall
Old News: Two unusual underground rescues
Birch’s Views of Philadelphia, 1800
Plans and maps of the Pennypack Creek Watershed in Philadelphia
Early visions of Philadelphia’s airport
Frankford Creek Watershed Historical Timeline