Birch’s Views of Philadelphia, 1800
The Discovery Center: The creative reuse of an abandoned city reservoir
Philadelphia from Belmont, West Park (Picturesque America)
Thomas Mill Covered Bridge over Wissahickon Creek (Picturesque America)
Plans and maps of the Pennypack Creek Watershed in Philadelphia
Requiem for a stream: Adams Run in Oak Lane
Cobbs Creek: A Brief Historical Overview by Adam Levine
High Water: Flooding in Philadelphia
Images from ‘The Water Supply of the City of Philadelphia by a proposed Aqueduct from Norristown Dam’
Fairmount Gardens with the Schuylkill Bridge, 1839