Map Lovers’ Monday: AQUA, in the beginning
Water supply survey: Sanitary inspection of tributaries north of Philadelphia, 1884
High Water: An Informal History of Flooding in Philadelphia
History of Water in Roxborough: A talk by Adam Levine
Rebirth of the Rivers: Water History Video 3
Map Lovers’ Monday: New Jersey 1869
Map Lovers’ Monday: More is not necessarily better.
Map Lovers’ Monday: Topography of Philadelphia from 1863
Map Lover’s Monday: Looking for Cleaner Water
Schuylkill River watershed, population in 1904
