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The Columbia River Highway
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two miles, is from Latourell to Crown Point 14a total rise of 500 ft. From Portland to Chanticleer, twenty-two miles, the rise is 875 ft. Engineer and Contractor readers of Contracting who consider this problem and study the accompanying typical illustrations of the mountain scenery will realize to some extent what it means to accomplish this without exceeding a grade of over 5 per cent. on any section of the 60.45 miles of highway. STRUCTURES There are many bridges, all of reinforced...