Topics Infrastructure

Pipe Aqueduct across Wissahickon Valley, 1868 (2004.057.0074.004)

Wissahickon Pipe Aqueduct, Roxborough to Mt. Airy, 1868

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

Dobson FLP

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

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

International Exhibition situation plan, 1876

Centennial Exhibition situation plan, 1876

Showing method of sinking the pipe on the bed of the River (2004.057.0074.006)

Showing the method of sinking the pipe on the bed of the river