Maps display location-based data visually. They are produced by government agencies, oil and gas trade publications, and industry watchdog groups. Some online maps are interactive.
Additional works on maps in the Library of Congress may be identified by searching the Library of Congress Online Catalog under appropriate Library of Congress subject headings. Choose the topics you wish to search from the following list of Library of Congress subject headings to link directly to the Catalog and automatically execute a search for the subject selected. For assistance in locating the many other subject headings which relate to this subject, please consult a reference librarian.
Note that physical maps can only be requested in the Geography and Maps reading room, and copyright may prohibit the scanning or photography of specific maps.
Maps in the collection are arranged by location. The subject headings listed below are examples that use the United States as location, but other countries or regions could be substituted in the following formats:
To find more in our collection, use the advanced search option for the Library of Congress catalog to search by keyword, and limit to maps under "add limits" then "type of material."