Recommended CitationWitczak, M. W. A Generalized Investigation of Selected Highway Design and Construction Factors by Regional Geomorphic Units within the Continental United States. Publication FHWA/IN/JHRP-70/08. Joint Highway Research Project, Indiana Department of Transportation and Purdue University, West Lafayette, Indiana, 1970. doi: 10.5703/1288284313775.
Joint Highway Research Project
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