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Contributor Notes
Received for publication 1 Apr. 1982. Journal Paper No. 8991 of the Purdue Agricultural Experiment Station. Prepared as part of an investigation conducted by the Joint Highway Research Project, Engineering Experimental Station, Purdue Univ., in cooperation with the Indiana Dept. of Highways and the U.S. Dept. of Transportation, Federal Highway Administration. The contents of this paper reflect the view of the authors who are responsible for the facts and accuracy of the data presented herein. The contents do not necessarily reflect the official views or policies of the Federal Highway Administration. This paper does not constitute a standard specification or regulation. The cost of publishing this paper was defrayed in part by the payment of page charges. Under postal regulations, this paper therefore must be hereby marked advertisement solely to indicate this fact.
