1896-1921 Sanborn Fire Insurance Maps

Sanborn Fire Maps for the Town of Groton

At the Library of Congress, the Sanborn Maps Collection Advanced Search provides a searchable database of fire insurance maps published by the Sanborn Map Company and held by the Geography and Map Division of the Library of Congress. Based on the Library’s 1981 publication Fire Insurance Maps in the Library of Congress, the database is regularly updated to incorporate new acquisitions and revisions to the collection.

Source:  Library Of Congress