Digital Sanborn Maps, 1867-1970 (Tennessee) This link opens in a new windowLarge-scale landbook maps which includes information such as outline of each building, the size and shape and construction materials, heights, and function of structures, location of windows and doors, street names, street and sidewalk widths, property boundaries, building use, and house and block numbers. Textual information includes construction details, ownership and building use. Fire insurance maps of Tennessee.