Sanborn maps are insurance maps. U of Michigan has a complete set in color; Eastern Michigan has a set in black and white.

http://sanborn.umi.com/

ProQuest Information and Learning's Digital Sanborn Maps, 1867-1970 provides academic and public libraries digital access to more than 660,000 large-scale maps of more than 12,000 American towns and cities. In electronic form, Sanborn Maps take on much improved value over the microfilm versions of the same maps, allowing for greater flexibility of use and improved viewing possibilities. Users have the ability to easily manipulate the maps, magnify and zoom in on specific sections.


More information

The maps cover some 12,000 cities and towns across the country and were published from 1867 to 1970. Many libraries and historical societies will carry maps of their surrounding areas. The Ann Arbor District Library has copies (on micro film) for Ann Arbor, Chelsea, Dexter, Manchester, Milan, Saline, and Ypsilanti (with dates from 1884 to 1948). They can be found in the micro film drawers (2nd floor, way behind the periodicals desk).

For more information on the history of fire insurance maps and the Sanborn Company as well as on the collection of the Library of Congress and other libraries with fire insurance map holdings, see the preface and introduction to Fire Insurance Maps in the Library of Congress: A Checklist, found on Berkeley Earth Sciences and Map Library web site. A printed copy is also available in the UM Map Library (Z 6026 .I7 U541).

The Sanborn Fire Insurance Maps Online Checklist provides a searchable database of the fire insurance maps published by the Sanborn Map Company housed in the collections of the Geography and Map Division. The online checklist is based upon the Library's 1981 publication Fire Insurance Maps in the Library of Congress and will be continually updated to reflect new acquisitions. The online checklist also contains links to existing digital images from our collection and will be updated as new images are added. If you have any questions, comments, or are interested in obtaining reproductions from the collection, please Ask A Librarian.


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