The library is closed Sunday, May 26 and Monday, May 27

Sanborn Maps of Illinois

Digital Sanborn Maps of Illinois

Fire insurance maps from 1867-1970 chart the growth and development of towns and cities in Illinois. They are large scale plans of a city or town drawn at a scale of 50 feet to an inch. The maps list street blocks and building numbers including numbers in use at the time the map was made and previous numbers.