Wire Bridge at Fairmount, with canal lock and esplanade (Picturesque America)
Schuylkill Navigation lock at Fairmount (Picturesque America)
Down Under, Part 2: Beaver Creek as it appears today
Overbrook, as it was. A brief history of the Overbrook neighborhood of Philadelphia, focusing on changes in the natural landscape.
Cobbs Creek in the Days of the Old Powder Mill
Belmont Works (1870)
Twenty-fourth Ward (or West Philadelphia) Works, 1855
Mill Creek Sewer under construction, 1883
Thomas Run sewer outlet at Cobbs Creek
Thomas Run sewer outlet during construction