Early photographs of Fairmount and vicinity, 1848
Down Under III: A walk in the Dobson’s Run Storm Relief Sewer, June 15, 2010
Down Under, Part 2: Beaver Creek as it appears today
Requiem for a stream: Still House Run in Manayunk
Leverington Avenue Stormwater Sewer
Two reports on the state of the Schuylkill River, 1867
Streams, islands, and ferries of early Philadelphia
Schuylkill River Hydrographical Survey 1861-66 by H. P. M. Birkinbine
View of Fairmount Water Works, ca. 1827
