Old News: Two unusual underground rescues
Map Lover’s Monday: Looking for Cleaner Water
Map Lovers’ Monday: Schuylkill River from Wissahickon Creek to Norristown, 1913
Water History: Repurposing Old Infrastructure
Sandy Run Watershed and the Holmesburg Water Works
Annual reports and other documents relating to Philadelphia’s water supply system, 1796-1941
PWD Celebrates Black History Month
Map of Philadelphia Harbor, Delaware and Schuylkill, 1912
Birch’s Views of Philadelphia, 1800
Cresheim Aqueduct
