Subjects Natural Environment

Plans and maps of the Pennypack Creek Watershed in Philadelphia

The ecology of Center City, Philadelphia (in case you didn’t know there was any)

Report on channelization of Frankford Creek for flood control (1947)

Frankford Creek Watershed Historical Timeline

Frankford Creek Watershed in the context of the development of Philadelphia’s sewers and sewage treatment system

Color image of a grassy field with trees and buildings surrounding it and white lines drawn on the grass mimicking the path of a creek.

Drawing Dock Creek

Cobbs Creek in the Days of the Old Powder Mill

Requiem for a stream: Adams Run in Oak Lane

Smith’s and Windmill Islands

Cobbs Creek: A Brief Historical Overview by Adam Levine

Black-and-white aerial photo of a creek bend with industrial buildings surrounding it

The Sad History of Frankford Creek

Black-and-white photograph depicts a large brick sewer tube lying on a barren landscape

Streams, islands, and ferries of early Philadelphia