The pipe beneath the rocky path
Map Lovers’ Monday: Philadelphia in 1897, with color added
Fairmount Water Works in High Resolution
Water Department Newsletters, 1959-1997
Water Bureau Newspaper Scrapbook, 1942-1952
Map Lover’s Monday: Looking for Cleaner Water
Map Lovers’ Monday: Schuylkill River from Wissahickon Creek to Norristown, 1913
Sandy Run Watershed and the Holmesburg Water Works
Annual reports and other documents relating to Philadelphia’s water supply system, 1796-1992
Map of Philadelphia Harbor, Delaware and Schuylkill, 1912
