This site is a very simple overview of plate tectonics. It includes a map of all the major plates and a diagram of the layers of the earth.

A map of major tectonic plates of the Earth showing where the Eurasian and Indo-Australian plates are located.

A regional map of central England from 1920, showing major cities, towns, railways and canals, and counties with the county boroughs underlined in red. The map shows important battle sites, major rivers, and prominent mountains and hills...

A regional map of England and Wales from 1920, showing major cities, towns, and ports, railways and canals, and counties with the county boroughs underlined in red. The map shows major rivers and prominent peaks with elevations in feet....

A regional map of northern Scotland from 1920, showing major cities, towns, and ports, railways and canals, and counties. The map shows major rivers and prominent peaks with elevations in feet. The map is color-coded to show the counties...

A regional map of northern England from 1920, showing major cities, towns, and ports, railways and canals, and counties with the county boroughs underlined in red. The map shows major rivers and prominent peaks with elevations in feet....

A regional map of southwestern England from 1920, showing major cities, towns, and ports, railways and canals, and counties with the county boroughs underlined in red. The map shows important battle sites, major rivers, prominent...

A regional map of southern Scotland from 1920, showing major cities, towns, and ports, railways and canals, and counties. The map shows major rivers and prominent peaks with elevations in feet. The map is color-coded to show the counties.

A regional map of southeastern England from 1920, showing major cities, towns, and ports, railways and canals, and counties with the county boroughs underlined in red. The map shows major rivers and coastal features. This map shows the...

Second in a series of maps of France from the 1920 Asprey's Atlas of the World, showing northern and northwestern France. This map is color-coded to show the Departments of the region, major cities and towns, primary railways, canals,...

Fourth in a series of maps of France from the 1920 Asprey's Atlas of the World, showing southeastern France and the Mediterranean Coast. This map is color-coded to show the Departments of the region, major cities and towns, primary...

Third in a series of maps of France from the 1920 Asprey's Atlas of the World, showing southwestern France. This map is color-coded to show the Departments of the region, major cities and towns, primary railways, canals, rivers, coastal...

A map from 1911 showing the political boundaries of Argentina, Chile, Paraguay, and Uruguay at the time. Bordering portions of Brazil and Bolivia are also shown. State boundaries are shown in red, and the map includes capitals, major...