Subjects Natural Environment

Map Lovers’ Monday: Schuylkill River from Wissahickon Creek to Norristown, 1913

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: A Brief Historical Overview by Adam Levine