National Geographic : 1933 May
Photograph by Clifton Adams WHERE A WIRE PENCE DIVIDES TWO NATIONS This stretch of the Mexico-United States boundary at the southern edge of Arizona is a surveyed line across asemi-arid valley. The row ofposts in the foreground supporting a few strands of barbed wire marks the border. The cattle, from Mexico, are being held awaiting thearrival ofcustoms officers so that they can be driven to the stockyards of Nogales, Arizona. The opposite city, on the Mexicanside, also isnamed Nogales.