Pictures 10 Willamette River Swing Truss Railroad Bridge, Portland Oregon

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Willamette River Swing Truss Railroad Bridge, Portland Oregon 1906 SANDBAGGING PIER No. 4
1906 SANDBAGGING PIER No. 4

Willamette River Swing Truss Railroad Bridge, Portland Oregon 1906 CAISSON No. 2
1906 CAISSON No. 2

Willamette River Swing Truss Railroad Bridge, Portland Oregon 1907 CAISSON No. 3 JUST BEFORE LAUNCHING
1907 CAISSON No. 3 JUST BEFORE LAUNCHING

Willamette River Swing Truss Railroad Bridge, Portland Oregon 1907 CAISSON No. 3
1907 CAISSON No. 3

Willamette River Swing Truss Railroad Bridge, Portland Oregon 1908 SPANS 4 AND 5
1908 SPANS 4 AND 5

Willamette River Swing Truss Railroad Bridge, Portland Oregon 1908 DERRICK AT PIER 2
1908 DERRICK AT PIER 2