Topics Philadelphia before 1800

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

Frankford Creek Watershed: A historical overview of the Philadelphia section

Frankford Creek Watershed Historical Timeline

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

Black-and-white image showing sewer outlet, retaining walls and body of water

Glossary of Drainage Terms by C. Drew Brown

Oak Lane Reservoir pipeline, 1904

The Water and Drainage History of Philadelphia: A seven-part course

Diagram and description of the typhoid bacteria

The Water and Drainage History of Philadelphia, Part 6

The Water and Drainage History of Philadelphia, Part 5

The Water and Drainage History of Philadelphia, Part 4

A Roman aqueduct in Segovia, Spain, 2006

The Water and Drainage History of Philadelphia, Part 3

A black-and-white image showing several figures standing on the shore, with a boat, several other figures and a building in the background

The Water and Drainage History of Philadelphia, Part 2