A map from 1916 of North America showing the economic production areas of the region. This map is color-coded to show industrial districts, productive, and non-productive regions. The map shows the principal extraction areas for coal, iron, silver, copper, gold, and petroleum, and the agricultural areas for sheep, cattle, barley, cacao, coffee, cotton, fruit, maize, oats, rice, sugar, tobacco, vineyards, wheat, and the cod fisheries of the northern east coast. Navigable rivers are indicated.