Map Lovers’ Monday: Philadelphia in 1897, with color added
Water Department Newsletters, 1959-1997
Water Bureau Newspaper Scrapbook, 1942-1952
Map Lovers’ Monday: Philadelphia Topography
Map Lovers’ Monday: AQUA, in the beginning
Water supply survey: Sanitary inspection of tributaries north of Philadelphia, 1884
Map Lovers’ Monday: The David Rumsey Map Collection
Map Lovers’ Monday: New Jersey 1869
Map Lovers’ Monday: Topography of Philadelphia from 1863
Map Lover’s Monday: Looking for Cleaner Water
