Subjects Natural Environment

Plans and maps of the Pennypack Creek Watershed in Philadelphia

Frankford Creek Watershed Historical Timeline

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

Requiem for a stream: Adams Run in Oak Lane

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