Hawkes, H. E. Geochemistry in mineral exploration / H. E. Hawkes and J. S. Webb. - New York : Harper & Row, 1962. - 415 p. : ill. ; 24 cm. - Harper's geoscience series. . Includes index. Includes bibliography. 326 326 Subjects--Topical Terms: Geochemical prospecting. Dewey Class. No.: 551.9 / H313g