West Viaduct Approach to Multnomah Falls, Columbia River Highway
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| The construction of this wonderful highway, leading from Portland, Oregon to the heart of the Cascade Mountains is a noteworthy feat of high class engineering that compares favorably with any in the world. The highway is almost a continuation of curves, has a minimum width of 24 feet, and a maximum grade of 5%, cost nearly $2,000,000.00 and required about two years to construct. Everywhere the motorist is protected from danger by strong walls of cement and stone |
