Kay, Marshall, 1904-1975. North American geosynclines. / Marshall Kay - New York : Geological Society of America , 1963 - ix, 143 p. : maps (part fold.) profiles. ; 23 cm. - Memoir, 48 . - 48 Memoir (Geological Society of America), . Bibliography: p. 109-132. and index. Subjects--Topical Terms: Geology--North America.Geology, Stratigraphic. Dewey Class. No.: 551.86 / KAN 1963