Blyth, F. G. H. A geology for engineers / by F. G. H. Blyth [and] M. H. De Freitas - 6th ed. - London : Edward Arnold, 1953 - vii, 536 p., [16] p. of plates. : ill., maps ; 22 cm. Includes index ISBN: pnd 11.25 Subjects--Topical Terms: Engineering Geology