Map Lovers’ Monday: Topography of Philadelphia from 1863
Map Lovers’ Monday: Schuylkill River from Wissahickon Creek to Norristown, 1913
Frankford Creek Watershed: A historical overview of the Philadelphia section
Report on channelization of Frankford Creek for flood control (1947)
Frankford Creek Watershed Historical Timeline
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
Leverington Avenue Stormwater Sewer
Filling Low Land: A Story of Ash-Dumping in the Wingohocking Creek Watershed
Smith’s and Windmill Islands
