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

Cobbs Creek in the Days of the Old Powder Mill

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

View of Fairmount Water Works, ca. 1827

Pegg's Run

Pegg’s Run, Northern Liberties (Watson’s Annals)

Dock Creek Watson's Annals

Drawbridge and Dock Creek, Watson’s Annals