Water History: Repurposing Old Infrastructure
Sandy Run Watershed and the Holmesburg Water Works
Birch’s Views of Philadelphia, 1800
Map Lover’s Monday: Fairmount Park, 1869
Roberts Mill, Wingohocking Creek, 1871
Map of Historic Dock Creek
Drainage area plan, early 19th century
Pine Street sewer plan, 1848
Pennypack Park Map
The Discovery Center: The creative reuse of an abandoned city reservoir
