Type composition by the Typographic section of National Geographic Production Services, Pre-Press Division. Color separations by Chanticleer Co., Inc., New York, N.Y. ; The Lanman Companies, Washington, D.C.; Phototype Color Graphics, Pennsauken, N.J. Printed and bound by Ringier America, Inc., New Berlin, Wisconsin. Paper by Repap Sales Corp,. New York, N.Y.