![](/TrimIcon/w32h32/GreyFile.png)
Columbia Blvd Wastewater Treatment Plant
Tuesday, April 10, 1951
A2000-033
APF/16141
Includes Oregon S1 syphon, and Columbia S1 syphon, and Columbia R outfall.
Columbia Blvd Wastewater Treatment Plant
Tuesday, April 10, 1951
A2000-033
APF/16141
Includes Oregon S1 syphon, and Columbia S1 syphon, and Columbia R outfall.