A map from 1885 of North America and Central America showing the major relief features of the region. The map shows the primary highland known as the Pacific Highland, with the Sierra Nevada and Rocky Mountains, the secondary highlands...

A map from 1868 of North America, Central America, and the Caribbean showing the physical features of the region, vegetation types, ocean currents, temperatures, principal products and mineral deposits. Mountain chains are represented by...

A map from 1868 of South America showing the physical features of the region, vegetation types, ocean currents, temperatures, principal products and mineral deposits. Mountain chains are represented by lines of varying thickness, with...

A map from 1901 of North America, Central America, the Caribbean, and Greenland showing general land elevations, mountain systems, rivers, coastal features, and ocean currents. The map is color-coded to show land elevations ranging from...

A map from 1906 of North America showing the mean annual isotherms of the region given in degrees Fahrenheit. "The climate of North America naturally varies greatly, depending on latitude, the general atmospheric circulation or direction...