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A1999-004.580 : Banfield Freeway [I-84] : NE 60th Ave viaduct at Banfield Freeway - spacing forms between which the cables are placed to make post - tensioned concrete beams
Friday, September 17, 1954
A1999-004
AP/913
Black and white
8 X 10
A1999-004.580 : Banfield Freeway [I-84] : NE 60th Ave viaduct at Banfield Freeway - spacing forms between which the cables are placed to make post - tensioned concrete beams
Friday, September 17, 1954
A1999-004
AP/913
Black and white
8 X 10