Moore, Raymond C. 1892-1974. Introduction to historical geology. - 1st ed. - New York : McGraw-Hill Book Co., 1949. - ix, 582 p. : illus., maps. ; 24 cm. LCCN: 49007782 Subjects--Topical Terms: Geology. LC Class. No.: QE501 / .M6 Dewey Class. No.: 550