Map Lovers’ Monday: Schuylkill River from Wissahickon Creek to Norristown, 1913
Thomas Mill Covered Bridge over Wissahickon Creek (Picturesque America)
Queen Lane Pumping Station, proposed design
Down Under III: A walk in the Dobson’s Run Storm Relief Sewer, June 15, 2010
Requiem for a stream: A brief history of Dobson’s Run
Requiem for a stream: Still House Run in Manayunk
Leverington Avenue Stormwater Sewer
The Manayunk Expressway
Queen Lane Water Works (1894)
