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Sanborn Maps (Library of Congress edition)

Digital Sanborn Maps, 1867-1970 provides access to more than 660,000 large-scale maps for more than 12,000 American towns and cities. Sanborn fire insurance maps are the most frequently consulted maps in libraries, and are valuable historical tools. In electronic form, Sanborn maps allow users to easily manipulate the maps, magnify and zoom in on specific sections, and layer maps from different years.

The Western Maryland Sanborn Maps subscription ended on June 30, 2021. While not all of the maps are included, some maps are provided through the Library of Congress website.

Resource guide: Fire Insurance Map Research Guide

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