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
Panoramic Manayunk: Views Past and Present
James W. Phillips Letter Book, 1904-1913
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’
Still photo from a video sewer inspection, 2000
Plan and profile of proposed Delaware Seventh St. Sewer, 1850
Plan of Pine Street Sewer, 1830