Map Lovers’ Monday: Philadelphia in 1897, with color added
Ghosts of Water in Fairmount Park, Part 1, with Adam Levine
Water Department Newsletters, 1959-1997
Water Bureau Newspaper Scrapbook, 1942-1952
Sandy Run Watershed and the Holmesburg Water Works
You would not have wanted to drink it: Philadelphia’s water supply in 1884
Plans and maps of the Pennypack Creek Watershed in Philadelphia
Ghosts of Water in Fairmount Park, Part II, with Adam Levine
Wingohocking Sewer across Penn St.
Frankford Creek Watershed: A historical overview of the Philadelphia section
