Proceedings of the 25th Annual Highway Geology Symposium : Sheraton-Grabtree Inn, Raleigh, N.C., May 22-24, 1974 / sponsored by North Carolina Department of Transportation, North Carolina Department of Natural and Economic Resources, North Carolina State University, Raleigh ; general chairman, A.C. Dodson.
Proceedings of the 25th Annual Highway Geology Symposium : Sheraton-Grabtree Inn, Raleigh, N.C., May 22-24, 1974 / sponsored by North Carolina Department of Transportation, North Carolina Department of Natural and Economic Resources, North Carolina State University, Raleigh ; general chairman, A.C. Dodson.