Schuylkill Navigation: Celebrating 200 years
Water History: Rebirth of the Rivers
Map Lovers’ Monday: Topography of Philadelphia from 1863
Map Lover’s Monday: Looking for Cleaner Water
Schuylkill River watershed, population in 1904
Map Lovers’ Monday: Schuylkill River from Wissahickon Creek to Norristown, 1913
Annual reports and other documents relating to Philadelphia’s water supply system, 1796-1941
Map of Philadelphia Harbor, Delaware and Schuylkill, 1912
Map Lover’s Monday: Fairmount Park, 1869
Fairmount Park topographical map, showing East Park Reservoir, 1872
