Subjects Urban Development

Colored ink drawing showing drainage areas and sewer inlets in Philaelphia in the early 19th century

Drainage area plan, early 19th century

Wingohocking Sewer across Penn St.

Wingohocking Sewer across Penn St.

Sewer systems, City of Philadelphia, 1927 and 1929

Early visions of Philadelphia’s airport

Black-and-white diagram showing streets and the Little Tacony Creek

Frankford Creek Watershed: A historical overview of the Philadelphia section

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

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

Down Under, Part 2: Beaver Creek as it appears today

Requiem for a stream: Adams Run in Oak Lane

Requiem for a stream: Still House Run in Manayunk

Technical drawing showing streets and sewers

Leverington Avenue Stormwater Sewer

Black-and-white image of a creek with people around it and a large building behind it

Dock Creek Sewer in 1849: A report on its condition made to City Councils