Ordway, Richard J. 1918- Earth science / [by] Richard J. Ordway. - Princeton, N.J. : Van Nostrand, 1966 - xiv, 705 p. illus. (part col.) charts, maps. 25 cm. - University series in geology . - University series in geology . Bibliography: p. 691-694. Subjects--Topical Terms: Earth sciences.Astronomy. Dewey Class. No.: 550 / ORE 1971