The Schuylkill Navigation: A Journey on the Historic Nineteenth Century Waterway
The Schuylkill Navigation: A Journey on the Historic Nineteenth Century Waterway
Thomas Gill Maps of the Schuylkill Navigation, 1827
Map Lovers’ Monday: Philadelphia in 1957, according to the Pennsy
Map Lovers’ Monday: So many railroads!
Use Water Wisely!
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
