Sanborn Maps
Sanborn maps are large-scale maps that were created to assist fire insurance companies as they assessed the risk associated with a particular property. The highly detailed parcel-by-parcel maps show all buildings, their construction, height, and use, as well as streets and water lines.

Sanborn maps are available (preview size and high-quality format) for the Central State site for the following years:

Related Links
1941 Site Aerial Photo
1941 Surrounding Context Aerial Photo
2002 Site Aerial Photo