Yellowstone and Grand Teton / produce by the Cartographic Division, National Geographic Society ; John B. Garver, Jr., chief cartographer.National Geographic Society (U.S.). Cartographic Divisionc1989."Supplement to the National Geographic, February 1989, page 216A, vol. 175, no.2-Yellowstone/Grand Teton."Panel title.Relief shown by shading and spot heights.Text, maps and col. ill. on verso.cartographic