Imagine North America with great inland seas and a fabulous array of dinosaurs ranging across its expanse. North America in the Age of Dinosaurs shows the continent as it was 74 million years ago. The map shows where dinosaurs roamed throughout the continent during the Mesozoic Era, with stunning artwork and descriptions of the diverse range of dinosaurs that flourished for over 200 million years. The map is packaged in a two inch diameter tube with a label showing a thumbnail of the map with dimensions and other pertinent information. Map Scale = 1:19,112,000 - Sheet Size = 22.25" x 30.5" Founded in 1915 as the Cartographic Group, the first division of National Geographic, National Geographic Maps has been responsible for illustrating the world around us through the art and science of mapmaking.Today, National Geographic Maps continues this mission by creating the world's best wall maps, recreation maps, atlases, and globes which inspire people to care about and explore their world.