


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

Requiem for a stream: A brief history of Dobson’s Run

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

Wooden Pipes in Philadelphia

Aramingo Canal, Then and Now

Still photo from a video sewer inspection, 2000

Half a Century of Clean Water

Centennial Exhibition situation plan, 1876

69th St. Sewer and Culvert across Lansdowne AVe.

Flashback Friday … the 13th!
