Map Lovers’ Monday: Philadelphia in 1897, with color added
Water Bureau Newspaper Scrapbook, 1942-1952
Map Lovers’ Monday: AQUA, in the beginning
Water supply survey: Sanitary inspection of tributaries north of Philadelphia, 1884
Map Lovers’ Monday: Philadelphia in 1957, according to the Pennsy
Map Lovers’ Monday: Topography of Philadelphia from 1863
Map Lover’s Monday: Looking for Cleaner Water
Map of Philadelphia Harbor, Delaware and Schuylkill, 1912
Plan of Philadelphia, John Hills, 1796
Typhoid Fever and sewage tainted drinking water: An 1889 report from the Philadelphia Board of Health
