Find geographic data and products such as the TIGER/Line Shapefiles, KMLs, TIGERweb, cartographic boundary files, geographic relationship files, and reference and thematic maps.
Sanborn maps are large-scale plans of a city or town, drawn at a scale of 50 feet to 1 inch. They were created to assist fire insurance companies as they assessed the risk associated with insuring a particular property.
The Atlas presents in maps and text complete data about the creation and all subsequent changes (dated to the day) in the size, shape, and location of every county in the fifty United States and the District of Columbia.
Coverage includes maps showing Early Inhabitants, Exploration & Settlement, Territorial Growth, Military History, etc. The PCL Map Collection link leads to much wider geographical & topical coverage.
The historical map collection has over 37,000 maps & images online. The collection focuses on rare 18th & 19th century North American & South American maps & other cartographic materials.
