The boats of the Schuylkill Navigation
Fairmount Water Works: The Surprising History of an American Landmark
Water Bureau Newspaper Scrapbook, 1942-1952
Thomas Gill Maps of the Schuylkill Navigation, 1827
Map Lovers’ Monday: AQUA, in the beginning
High Water: An Informal History of Flooding in Philadelphia
History of Water in Roxborough: A talk by Adam Levine
Map Lovers’ Monday: Topography of Philadelphia from 1863
Schuylkill River watershed, population in 1904
Map Lovers’ Monday: Schuylkill River from Wissahickon Creek to Norristown, 1913
