Europe: EUROPE. Compiled and Drawn in the Cartographic Section of the National Geographic Society for National Geographic Magazine. Melville Bell Grosvenor, Editor. James M. Darley, Chief Cartographer. Chamberlin Trimetric Projection. Scale 1:6,000,000 or 94.7 miles to the inch. Large folded coloured map, 700 by 800 mm; (a few minor marks); a very good copy. Washington; National Geographic Society; June, 1957.