Historic Columbia River Highway, Sandy River Bridge at Troutdale, Historic Columbia River Highway spanning Sandy River, Troutdale, Multnomah County, OR
Photo(s): 7 | Data Page(s): 16 | Photo Caption Page(s): 1
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steel truss bridges: explore 1 source-linked works, with original documents and citations.
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Photo(s): 7 | Data Page(s): 16 | Photo Caption Page(s): 1