Sanborn Fire Insurance Maps What is it? Large scale street plans - including building outlines, property boundaries, and building use - produced by the Sanborn Fire Insurance Company from 1867 to 1970.
Why use it? Locate buildings and neighborhoods. See a neighborhood "as it was." Study the growth of towns and cities. Identify the impact of new developments.
The answer depends on what catalog system your library is utilizing. You can refer to the MORE website for information about implementation schedules and sign-up procedures.