King, Phillip Burke, 1903- The tectonics of middle North America : Middle North America east of the Cordilleran system / P. B. King - Princeton : Princeton University Press , 1951 - xix, 203 p.: maps, profiles; 26 cm. Includes bibliographical references Subjects--Topical Terms: Geology ----North America----Geology, Structural----North America---- Dewey Class. No.: 557.3