Data Tools
Library of Congress Historic Map Explorer
Search digitized historic maps, city plans, atlases, regional surveys, and cartographic records from the Library of Congress.
Library of Congress maps
Historic Map Explorer
Search digitized city plans, regional maps, atlases, military maps, and other cartographic records.
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Metadata and previews are supplied by the Library of Congress. Availability, descriptions, dates, and rights statements may change at the source.
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How this historic map explorer works
Search a place, region, mapmaker, or topic.
The tool loads matching cartographic records and previews.
Open the official record for larger files, dates, notes, and rights information.
Frequently Asked Questions
Are map locations and dates always exact?
No. Historical catalog metadata can be approximate or describe the subject rather than the publication location.
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