A map from 1901 of the United States showing the product regions by separating the country into "(1) the Northeastern, or cloth-manufacturing section; (2) the Northern, or food-, iron-, and coal-producing, and manufacturing section; (4) the Plateau, or grazing and gold- and silver-mining section; and (5) the Pacific, or Western food- and gold-producing section." - Natural Advanced Geography, 1901.