Texas / produced by the Cartographic Division, National Geographic Society.National Geographic Society (U.S.). Cartographic Division1986"Eleventh in a series of seventeen maps.""Supplement to the National Geographic, March, 1986, page 310 A, vol. 169,At head of title when folded: The making of America.Relief shown by shading and spot heights.Text, col. ill., 6 ancillary maps on verso.cartographic