Recommended CitationYeh, P. T. Airphoto Interpretation of Engineering Soils of Interstate Highway Route 64 between U.S. 41 and Scalesville, Indiana. Publication FHWA/IN/JHRP-64/04. Joint Highway Research Project, Indiana Department of Transportation and Purdue University, West Lafayette, Indiana, 1964. doi: 10.5703/1288284313647.
Joint Highway Research Project
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