National Geographic June 1941

Today’s World Turns on Oil
America’s oil for automobiles, planes, ships, and factories originates in places such as Russia, Venezuela, Iran, and the Netherlands Indies ( Indonesia) .
Life in Our Fighting Fleet
The United States Navy is changing rapidly, developing sophisticated battleships, submarines, and planes.
The Columbia Turns on the Power
In March 1941, the Grand Coulee Dam began harnessing the power of the 1, 214- mile Columbia River, generating electricity and irrigating farmland.
Echoes from Yugoslavia
Focusing on Yugoslavia, which Nazis recently invaded, these photos take a closer look at some of the country’s 14 million citizens.
The Society Maps Northwestern United States and Neighboring Canadian Provinces
The National Geographic Society announces a new map of the Rocky Mountain area, including Washington, Oregon, Idaho, Montana, and Wyoming, as well as Canada’s British Columbia, Alberta, and Saskatchewan.