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About Sanborn maps

Historical fire insurance maps, called Sanborn Maps, help researchers discover what companies or factories operated many decades ago in regions across the country.

http://www.wtsp.com/video/1571333547001/1/About-Sanborn-maps http://videos.usatoday.net/29906170001/29906170001_1560791237001_th-1560778544001.jpg?pubId=29906170001 About Sanborn maps Historical fire insurance maps, called Sanborn Maps, help researchers discover what companies or factories operated many decades ago in regions across the country. nationalwtspNews 02:46

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