Rain Patterns and the Trade Winds of South America, 1910
A map of South America from 1910 showing the effect of winds on rainfall. The map shows the direction of prevailing winds, and the rainy east coasts and arid west coasts of the trade wind belts. The map is shaded to show areas of desert, and areas wh...

South America, 1910
A map of South America in 1910 showing the political boundaries of the time. The map is color–coded to distinguish between states, and shows the territorial dispute along the Columbian and Ecuadorian frontier in 1910. The map shows capitals, ma...

South America Political Formation, 1911
A map from 1911 of South America showing the political boundaries of the time, major cities, terrain, rivers, and coastal features. The map is color–coded to show the Spanish, Portuguese, Dutch, and French possessions about the end of the 17th ...

Orographical Map of South America, 1911
An orographic map of South America from 1911 showing the primary mountain systems and general elevations, and major river systems. The map is color–coded to show elevations from sea level to over 12000 feet, with highlands in buff tints and low...

Vegetation Distribution of South America, 1911
A map from 1911 of South America showing the distribution of vegetation types. The map is color–coded to show regions of forests, regions of woodlands, grass, and cultivation, regions of steppes and prairies, desert regions, and regions of moun...

Political South America, 1911
A map from 1911 of South America showing the political boundaries of the time, major cities, rivers, and coastal features. A chart at the bottom of the map shows the relational population size of the principal South American cities of Buenos Ayres, R...

Population Density of South America, 1911
A map from 1911 of South America showing the population density across the region. The map is color–coded to show areas of population densities ranging from under 2 persons per square mile to over 256 persons per square mile. A chart at the bot...

Railways and Economic Regions of South America, 1911
A map from 1911 of South America showing the primary railways, navigable rivers, and local economic resources. The map is keyed to show regions of coffee, cocoa, rubber, wool and mutton production, cattle breeding, and silver mining, with notation of...

South American Production of Tungsten, Vanadium, and Molybdenum, 1912–1915
"Production of Tungsten in South America in 1913, of Vanadium in 1912, and of Molybdenum in 1915... Each dot represents 1 per cent of world's production. A cross represents less than 1/2 per cent of world's production." — Department o...

Production of coal in South America, 1913
"Production of coal in South America in 1913 ... [v] Represents less than 1/10 per cent of world's production." — Department of the Interior, 1921...