The pipe beneath the rocky path
Ghosts of Water in Fairmount Park, Part 1, with Adam Levine
Map Lovers’ Monday: New Jersey 1869
Map Lovers’ Monday: Schuylkill River from Wissahickon Creek to Norristown, 1913
Map Lover’s Monday: Fairmount Park, 1869
The Discovery Center: The creative reuse of an abandoned city reservoir
Thomas Mill Covered Bridge over Wissahickon Creek (Picturesque America)
Plans and maps of the Pennypack Creek Watershed in Philadelphia
Mount Moriah Historic Cemetery and Arboretum
The ecology of Center City, Philadelphia (in case you didn’t know there was any)