Agg, Thomas Radford The constructon of roads and pavements / Thomas Radford Agg - 5th ed. - New York : McGra Hill Book, 1940 - xiv, 483 p. : ill., plans., tables., diagrs. (part. fold.) ; 23 cm. "Useful references" at end of chapter 1 Bibl. footnotes Subjects--Topical Terms: Roads--Design and construction Dewey Class. No.: 130