The boats of the Schuylkill Navigation
Fairmount Water Works and the Lemon Hill Observatory
At the Confluence of Navigation History: Past, Present and Future
A new book, more than 40 years in the making, about an iconic Philadelphia building
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
Map Lovers’ Monday: Two views of the Union Canal in central Pennsylvania
Map Lovers’ Monday: Philadelphia in 1957, according to the Pennsy