Two views on the water supply, 1939
Philadelphia drinking water 90+ years ago
The pipe beneath the rocky path
Map Lovers’ Monday: Philadelphia in 1897, with color added
Fairmount Water Works in High Resolution
Water Bureau Newspaper Scrapbook, 1942-1952
The Schuylkill Navigation: A Journey on the Historic Nineteenth Century Waterway
Thomas Gill Maps of the Schuylkill Navigation, 1827
Map Lovers’ Monday: AQUA, in the beginning
Water supply survey: Sanitary inspection of tributaries north of Philadelphia, 1884
