National Geographic May 1932

An Army Engineer Explores Nicaragua: Mapping a Route for a New Canal Through the Largest of Central American Republics
While surveying the possible sites for a canal from the San Juan River to the Pacific coast city of Brito, a U. S. Army contingent appreciates the beauty of a land few tourists frequent.
Ohio, the Gateway State
An expansive lakefront and namesake river aid Ohio in agriculture as well as industry. This middle- American state produces dairy cow products, rubber toys, iron, steel, and ceramics.
Our Friend the Frog
Available in your choice of size, style, and color, the frogs and toads of the world remain sources of both superstition and sustenance.