Recommended CitationWitczak, M. W., and C. W. Lovell. A Generalized Investigation of Potentially Poor Soil Support by Regional Geomorphic Units within the Adjacent 48 States : Preprint. Publication FHWA/IN/JHRP-71/01. Joint Highway Research Project, Indiana Department of Transportation and Purdue University, West Lafayette, Indiana, 1971. doi: 10.5703/1288284313792.
Joint Highway Research Project
Date of this Version