in collaboration with the Museum of Science, Boston, Massachusetts books & textbook
NATIONAL GEOGRAPHIC MAGAZINE MAP - The Heart of the Grand Canyon / The Grand Canyon of Colorado - July 1978 - MAP ONLY
Produced by the Cartographic Division National Geographic Society National Geographic Magazine Washington July 1978 in collaboration with the Museum of Science, Boston, Massachusetts Two sided: Side two : The Grand Canyon of the Colorado William T. Peele, Chief Cartographer Gilbert M. Grosvenor, Editor
National Geographic Society /1978T Map / 2 Pages