Cobbs Creek in the Days of the Old Powder Mill
A Tour of Philadelphia’s Delaware River Waterfront in 1876
1882 Report from the Army Corps of Engineers on Navigation in Frankford Creek, Philadelphia
Requiem for a stream: Still House Run in Manayunk
Leverington Avenue Stormwater Sewer
Filling Low Land: A Story of Ash-Dumping in the Wingohocking Creek Watershed
The Manayunk Expressway
Delaware River Harbor Police Report, 1884
Smith’s and Windmill Islands
Cobbs Creek: A Brief Historical Overview by Adam Levine
