


Sandy Run Watershed and the Holmesburg Water Works

Drainage area plan, early 19th century

Plans and maps of the Pennypack Creek Watershed in Philadelphia

Wingohocking Sewer across Penn St.

Early photographs of Fairmount and vicinity, 1848

Early visions of Philadelphia’s airport

Frankford Creek Watershed: A historical overview of the Philadelphia section

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

Frankford Creek Watershed Historical Timeline

Down Under III: A walk in the Dobson’s Run Storm Relief Sewer, June 15, 2010
