Topics Philadelphia before 1800

History of Belfield (1934)

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

Overbrook, as it was. A brief history of the Overbrook neighborhood of Philadelphia, focusing on changes in the natural landscape.

Smith’s and Windmill Islands

Cobbs Creek: A Brief Historical Overview by Adam Levine

The Schuylkill and Wissahickon banks in 1858

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

Glossary of Drainage Terms by C. Drew Brown

Native American Heritage Day

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