National Geographic : 1952 Jan
34 Ray Manley, Western Ways Roundup in Arizona! More than 2,500 Steers Start the Long Trek to Market These Brahmans, Herefords, and crossbreds were raised by the Diamond-A Ranch near Seligman on the high plateau bordering the Grand Canyon. Like 60 percent of the continental United States, the region is covered with grass. Basis of America's meat industry is conversion of this grass into beef and mutton. Two-thirds of our grass lands are privately owned. The remainder, in dry and mountainous parts of the West, belongs to the Nation.