Notice: Appointments are optional, but encouraged. To help us better serve you, request a research appointment to ensure collection material is accessible during your visit at the Geography and Map Reading Room. The Library of Congress asks all visitors to follow our COVID-19 health screening protocols, which are based on guidance from the Centers for Disease Control and the Office of the Attending Physician of the U.S. Capitol. For additional instructions, see the Researcher Scheduling page, contact us via Ask A Librarian or call (202) 707-6277.
History and Background
and Maps: An Illustrated Guide
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& Federal Holidays
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The Geography and Map Division (G&M) has custody
of the largest and most comprehensive cartographic collection in
the world with collections numbering over 5 million maps, 100,000
atlases, 8,000 reference works, over 500 globes and globe gores,
3,000 raised relief models, over 130,000 microfiche/film, and a large
number of cartographic materials in other formats.