Mexico & Central America [cartographic material] ; The dividing link, Mexico & Central America.
National Geographic Society (U.S.)
Washington, D.C. : The Society, Evergreen, CO : National Geographic Maps
c2007.
Relief shown by shading and spot heights (in feet and metres).
Includes text, table of country statistics, list of geographical equivalents, 3 insets of ancient cultures (Olmec, Maya, Aztec), and 3 insets showing the "Birth of a land bridge", at 90 million years ago, 50 million years ago, and 20 million years ago.
"Supplement to National Geographic magazine, August 2007."
Mexico & Central America [physical and political] -- The Dividing Link : Mexico and Central America [land cover]
Phytogeography
Phytogeography