Digital Sanborn Maps, 1867-1970 provides digital access to more than 660,000 large-scale maps which provide detailed property and land-use records that depict the grid of everyday life in more than 12,000 U.S. towns and cities across a century of change. Users have the ability to easily manipulate the maps, magnify and zoom in on specific sections.

Sanborn maps are valuable historical tools for anyone who wants to learn about the history, growth, and development of American cities, towns, and neighborhoods. The maps provide a wealth of information, such as building outline, size and shape, windows and doors, street and sidewalk widths, boundaries, and property numbers. Plans also often include details on construction materials and building use; and also depict pipelines, railroads, wells, water mains, dumps, and other features likely to affect the property's vulnerability to earthquake, fire, and flood.

Combined with other sources such as city directories, photographs, small-scale maps, census records, genealogies, and statistical data - the Sanborn maps provide an unparalleled picture of life in American towns and cities.

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