Frankford Creek Watershed: A historical overview of the Philadelphia section
Frankford Creek Watershed Historical Timeline
Drawing Dock Creek
Overbrook, as it was. A brief history of the Overbrook neighborhood of Philadelphia, focusing on changes in the natural landscape.
Leverington Avenue Stormwater Sewer
CITIZENS’ BUSINESS: 1939-1946
Petition of manufacturers along the Schuylkill River in Philadelphia for a new upstream water supply, 1868