Curated OER
Etc: Maps Etc: South America Orographical, 1915
A map showing elevations above and below sea level throughout South America.
Curated OER
Etc: Maps Etc: 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...