Introduction to the Collection
The Sanborn map collection consists of a uniform series of large-scale maps, dating from 1867 to the present and depicting the commercial, industrial, and residential sections of some twelve thousand cities and...
To illustrate the value of fire insurance maps for historical research, maps of a number of locations around the country are reproduced here and presented with a brief history of the site...
Sanborn Time Series
Fire insurance maps are valuable to much historic research because they often provide evidence of change over time. Specific changes in an individual site such as when a building was expanded or...