Down Under, Part 2: Beaver Creek as it appears today
Bottled vs. Tap in 1906
Cobbs Creek in the Days of the Old Powder Mill
1826 Report of the Committee of Delaware County on the subject of Manufactories, Unimproved Mill Seats, etc. in said county.
Typhoid Fever and sewage tainted drinking water: An 1889 report from the Philadelphia Board of Health
Lighthouses along the Delaware, 1913
Centre Square Water Works, Frederick Graff, Sr. Plans, 1799
Schuylkill Navigation Company Scrapbook
Dauphin and Sydenham car crash, Jan. 17, 1978
Images from ‘The Water Supply of the City of Philadelphia by a proposed Aqueduct from Norristown Dam’
