The Schuylkill Navigation: A Journey on the Historic Nineteenth Century Waterway
Thomas Gill Maps of the Schuylkill Navigation, 1827
Map Lovers’ Monday: Two views of the Union Canal in central Pennsylvania
Schuylkill Navigation: Celebrating 200 years
Map Lovers’ Monday: Schuylkill River from Wissahickon Creek to Norristown, 1913
Map Lovers’ Monday: Philadelphia front and center
Street map of Reading, Pennsylvania, 1872
Schuylkill Navigation lock at Fairmount (Picturesque America)
Drive along the Wissahickon Creek Vallley (Picturesque America)
Report on channelization of Frankford Creek for flood control (1947)
