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...

A map of the northern section of Ireland in 1920, showing cities, towns, ports, railways, canals, rivers, lakes, and coastal features north of Dublin and Galway. The map is color-coded to clearly show county boundaries.

A map of the southern section of Ireland in 1920, showing cities, towns, ports, railways, canals, rivers, lakes, and coastal features south of Dublin and Galway. The map is color-coded to clearly show county boundaries.

With its clickable map, this site provides text and graphics on spreading boundary, converging boundary, subduction zone, transverse boundaries and faults.