A map from 1920 showing the northern part of South America, including the national borders at the time for Columbia, Venezuela, the Guianas, Ecuador, Peru, Bolivia, and the northern portions of Brazil, Argentina, and Paraguay. The map shows capitals and other major cities, railroads, steamship routes with distances between ports given in nautical miles, rivers and the limits of navigable rivers, terrain, and coastal features of the region. British territories in the Caribbean and Guiana are underlined in red.