Map Lovers’ Monday: AQUA, in the beginning
Map Lover’s Monday: Looking for Cleaner Water
Map Lover’s Monday: Fairmount Park, 1869
Roberts Mill, Wingohocking Creek, 1871
Schuylkill Navigation lock at Fairmount (Picturesque America)
Map Lovers’ Monday: 1891 Water Supply Plan
Bottled vs. Tap in 1906
Typhoid Fever and sewage tainted drinking water: An 1889 report from the Philadelphia Board of Health
Wooden Pipes in Philadelphia
Centre Square Water Works, Frederick Graff, Sr. Plans, 1799