The maps were created by the United States Military Academy’s Department of History and are the digital versions from the atlases printed by the United States Defense Printing Agency.
Based on Google Maps, the most comprehensive online satellite imagery. More than 2,000,000 places all over the world are divided into many geographical categories according to continents, countries and administrative regions. Coloured region contours.
The historical map collection has over 22,000 maps and images online. The collection focuses on rare 18th and 19th century North American and South American maps and other cartographic materials. Historic maps of the World, Europe, Asia, and Africa are also represented.
The Geography and Map Division of the Library of Congress holds more than 4.5 million items, of which Map Collections represents only a small fraction, those that have been converted to digital form.
Atlas of the North American Indian by 
Maps and history : constructing images of the past by 
This land is your land : the geographic evolution of the United States by