![](/TrimIcon/w32h32/GreyDoc.png)
Men constructing digester framing at Portland sewage treatment plant
Wednesday, December 28, 1949
A2000-033
AP/70972
Black and white
8 X 10
Men constructing digester framing at Portland sewage treatment plant
Wednesday, December 28, 1949
A2000-033
AP/70972
Black and white
8 X 10