Historic Columbia River Highway, Oneonta Tunnel, Adjacent to Historic Columbia River Highway throug, Troutdale, Multnomah County, OR
Photo Caption Pages
Adjacent to Historic Columbia River Highway throug, Troutdale vicinity, OR
Find maps of Troutdale, OR
Documentation compiled after 1968.
Survey number HAER OR-36-L
Building/structure dates: 1914 initial construction
Building/structure dates: 1948 subsequent work
Building/structure dates: 1966 subsequent work
National Register Number: 83004168
Part of building/structure is in Dodson vicinity, Multnomah County, OR.
Significance: One of four tunnels on the Historic Columbia River Highway.
Lancaster, Samuel C.
S. P. White & Company
Oregon Department Of Transportation
Oregon State Highway Department
Lowe, Jet, Photographer
Hadlow, Robert W., Historian
Historic American Engineering Record (Library of Congress)
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