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WA-RD 865.1
Authors: 
Balasingam Muhunthan, Noel V. Vijayathasan, Babak Abbasi.
Originator: 
Washington State University. Department of Civil and Environmental Engineering.
Publication Date: 
Monday, April 24, 2017
WA-RD 113.1
Authors: 
Donald D. Ernst, Gary Demich, Tom Wieman.
Originator: 
Washington (State). Dept. of Transportation.
Publication Date: 
Monday, December 31, 1984