Two views on the water supply, 1939
The Waffle: Water History Video 6
Map Lovers’ Monday: Philadelphia Topography
Rebirth of the Rivers: Water History Video 3
Repurposing Old Infrastructure: Water History Video 5
You would not have wanted to drink it: Philadelphia’s water supply in 1884
Map Lovers’ Monday: 1896 Suburban Transportation Map
Philadelphia’s Sewer Problem
Map Showing Districts, Boroughs & Townships Incorporated in Consolidation of Philadelphia in 1854
Sewer systems, City of Philadelphia, 1927 and 1929