Map Lovers’ Monday: Philadelphia in 1897, with color added
Thomas Gill Maps of the Schuylkill Navigation, 1827
Map Lovers’ Monday: Philadelphia Topography
Map Lovers’ Monday: AQUA, in the beginning
Map Lovers’ Monday: The David Rumsey Map Collection
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
