Two views on the water supply, 1939
The Waffle: Water History Video 6
Ghosts of Water in Fairmount Park, Part 1, with Adam Levine
Rebirth of the Rivers: Water History Video 3
Repurposing Old Infrastructure: Water History Video 5
Sandy Run Watershed and the Holmesburg Water Works
Birch’s Views of Philadelphia, 1800
Roberts Mill, Wingohocking Creek, 1871
Drainage area plan, early 19th century
Pennypack Park Map