Notice: As the Library of Congress gradually begins to reopen its Reading Rooms for research, we are putting safety first with new procedures and practices that protect everyone’s heath. Confirmed appointments are required for entry into Library facilities, and everyone must follow the health and safety protocols established by the Library, in consultation with public health professionals. These protocols are mandatory, regardless of vaccination status. The Geography and Map Division provides access by appointment only between the hours of 9:30am–12:30pm and 1:00pm-4:00pm, Monday - Friday. To schedule an appointment, please submit one via Ask a Librarian or call (202) 707-6277. For more information, see: https://www.loc.gov/about/pandemic-information/for-researchers/.
History and Background
and Maps: An Illustrated Guide
Guides to the Collections
Bibliographies & Gazetteers
G&M Finding Aids updated regularly
G&M Research Guides
Online Map Collections
Places in the News!
101 Independence Ave. SE
Madison Bldg, Room LM B01
Washington, D.C. 20540-4650
Map showing location
Weekdays, 8:30am to 5:00pm
& Federal Holidays
Request reproductions of LC maps
a G&M blog exploring the past, present, and future of maps and mapping
LOCMaps News and information about the premier map
collections of the Library of Congress
Ask a Librarian
Want to ask the reference staff a question about the cartographic collections?
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 5000 globes and globe gores,
3,000 raised relief models, over 130,000 microfiche/film, and a large
number of cartographic materials in other formats.