National Geographic March 1930

Flying the World’s Longest Air- Mail Route: From Montevideo, Uruguay, Over the Andes, Up the Pacific Coast, Across Central America and the Caribbean to Miami, Florida, in 67 Thrilling Flying Hours
As the South American coast unfurls below, a corps of pilots, mechanics, and mail carriers touches down regularly in cities along this weekly air mail route.
Approaching Washington by Tidewater Potomac
Beginning where the Potomac meets the Chesapeake Bay, we follow the river inland and view tobacco fields, historic homes, and national monuments.
Fowls of Forest and Stream Tamed by Man
A variety of fowls flourish in the wilds of the world, despite their widespread domestication for food and as ornamental pets.