![Interstate 84 / Historic Columbia River Highway / National Register of Historic Places in Wasco County / Oregon / Sunset Highway / U.S. Route 26 in Oregon / Washington County / Oregon / Vista Ridge Tunnels / Interstate 84 in Oregon / Oregon Coast / Oregon / Columbia River Gorge / Mount Hood National Forest Interstate 84 / Historic Columbia River Highway / National Register of Historic Places in Wasco County / Oregon / Sunset Highway / U.S. Route 26 in Oregon / Washington County / Oregon / Vista Ridge Tunnels / Interstate 84 in Oregon / Oregon Coast / Oregon / Columbia River Gorge / Mount Hood National Forest](https://www.pdfsearch.io/img/b13e26444cb3a2842192bb60eccf5db5.jpg)
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City Portland / Bonneville / / Company Oregon Railway Co. / Willamette / / Country United States / Columbia / / Facility Historic Columbia River Highway / Concrete Stone masonry NR / Highway Tunnels / Arch Cape Tunnel / Concrete Stone masonry / Columbia River Highway / Timber Stone masonry WPA / Rocky Butte Tunnel / Concrete Stone masonry WPA / Cape Creek Arch / HIGHWAY TUNNELS OF OREGON / Toothrock Tunnel / NAME/LOCATION DATE OWNERSHIP Knowles Creek Tunnel/ Ralph A. Petersen Tunnel / Timber Stone Masonry / Umpqua Highway / Oregon Coast Highway / Portland Sunset Tunnel / Elaborate stonework / West Burnside Street Tunnel / Sunset Highway / Portland NW Cornell Road Tunnel / / NaturalFeature Arch Cape / Hancock Mt. / Wolf Creek / / Organization masonry WPA / masonry NR / Cornell / Freemasonry / U.S. Bureau of Public Roads / / Person Rosalind Keeney / Robert W. Hadlow / Florence-Eugene Hwy / / Position ODOT Cultural Resource Specialist / ODOT Historian / MP / Historic MP / Heceta Head / Lane County / / ProvinceOrState Washington County / Multnomah County / Wasco County / Clatsop County / Douglas County / Oregon / Lane County / Oregon Vista / /
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