Simpson, Brian. Geological maps. - [1st ed.] - Oxford, New York, Oxford, New York, Pergamon Press [1968] - The Commonwealth and international library. Geology division . Bibliography: p. 95. ISBN: 0082037183 LCCN: 67031507 Subjects--Topical Terms: Geology -- Maps.--Geology -- Maps. LC Class. No.: QE36 / .S52 1968 Dewey Class. No.: 550/.22/2