Pictures 11 Willamette River Swing Truss Railroad Bridge, Portland Oregon

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Willamette River Swing Truss Railroad Bridge, Portland Oregon 1908 LOADING BEAMS OF WILLAMETTE BRIDGE DRAW SPAN
1908 LOADING BEAMS OF WILLAMETTE BRIDGE DRAW SPAN

Willamette River Swing Truss Railroad Bridge, Portland Oregon 1908 STEEL ERECTION AT DRAW SPAN
1908 STEEL ERECTION AT DRAW SPAN

Willamette River Swing Truss Railroad Bridge, Portland Oregon 1908 SETTING CENTER CASTING
1908 SETTING CENTER CASTING

Willamette River Swing Truss Railroad Bridge, Portland Oregon 1908 VIEW OF DRAW SPAN
1908 VIEW OF DRAW SPAN

Willamette River Swing Truss Railroad Bridge, Portland Oregon 1908 TURNING THE DRAW FOR THE FIRST TIME
1908 TURNING THE DRAW FOR THE FIRST TIME