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About this Blog: Worlds Revealed

The largest and most comprehensive cartographic collection in the world, the Library’s Geography and Map Division contains more than six million maps in addition to a wide array of atlases, globes, raised relief models, archives, a vast collection of digital data and a GIS research center. Please join us as we reveal the world of geography by exploring the past, present and future of maps and mapping.



Brown, red, and yellow tinted map illustration of the continents of Europe, Asia, Africa and Australia, with a circular frame around them
Eastern Old World or Hemisphere, 1786. Part of a map that shows both Eastern and Western Hemispheres. (William Faden/Geography and Map Division)