


Sandy Run Watershed and the Holmesburg Water Works

Plans and maps of the Pennypack Creek Watershed in Philadelphia

Philadelphia’s Sewer Problem

Sewer systems, City of Philadelphia, 1927 and 1929

Frankford Creek Watershed: A historical overview of the Philadelphia section

Frankford Creek Watershed Historical Timeline

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

Two Frankford Creek Bridges, 1896-1899
