Subject: Underground Northern Suburbs Ocean Outfall Sewer Construction
Photographer: SWC
Copyright owner: SWC
Date: 29/11/1929

Subject: Northern Suburbs Ocean Outfall Sewer Construction
Photographer: SWC
Copyright owner: SWC
Date: 01/01/1900

Subject: Northern Suburbs Ocean Outfall Sewer Construction, Timbered Tunnel 1929
Photographer: SWC
Copyright owner: SWC
Date: 01/01/1900

Subject: Map showing the route of the NSOOS system.
Photographer: Sydney Water Borad Journal, April 1963.
Copyright owner: Source: Sydney Water Board Journal, April 1963.
Date: 01/04/1963