- Arthur Douglas Hughes, Benjamin Franklin Ruffner, Charles Edwin Thomas, Clair Van Norman Langton, Earl Clark Willey, Eugene Carl Starr, Fred Merryfield, Frederick Alton Everest, George Walter Gleeson, Glenn Voorhies, Harry Stanley Rogers, James Rinaldo Griffith, Louis Slegel, Raymond Hawley Johnson, Robert Edward Summers, Roland Eugene Dimick, Samuel Herman Graf, Thurman James Starker, William Howard Paul, Charles Arthur Mockmore, Milosh Nicholas Popovich, Walter Beno Bollen, Wilbur G. Wilmot, Clarence Delmer Adams, Fred George Kachelhoffer
· 1929
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A Cooperative Research Project By The Engineering Experiment Station, Oregon State College And The Oregon State Highway Commission, Bulletin Series, Number 8, September, 1937.
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