Ramsey, William L. Modern earth science [electronic resource] / [by] William L. Ramsey [and] Raymond E. Burckley.. — New York, : Holt, Rinehart and Winston, [1961]. — 630 p. : illus. 24 cm. — (The Holt science program). Includes bibliographical references. LCCN: 61005586 Nat. Bib. No.: GB61-21394 Subjects--Topical Terms: Geology.Physical geography.Meteorology. Subjects--Geographic Terms: Earth. LC Class. No.: QE28 / .R28 Dewey Class. No.: 550