The Water Supply Problem of Philadelphia, 1899
Aramingo Canal, Then and Now
State of the Schuylkill River in 1876: Sewage pollution and possible remedies
Down Under!
The Sad History of Frankford Creek
Archival Storytelling: A snowy Super Bowl Sunday at Sydenham & Dauphin
Dauphin and Sydenham car crash, Jan. 17, 1978
Plan and profile of proposed Delaware Seventh St. Sewer, 1850
Plan of Pine Street Sewer, 1830
Mill Creek Sewer under construction, 1883