3,618,766 sq. miles
Mountain ranges along east and west coasts and down the middle; deserts in the far west; grassy plains in the middle of the country and forests in northeast and northwest. Non-contiguous Hawaii and Alaska are tropical and arctic, respectively.
Hay, potatoes, maize, wheat, barley, oats, sugar beet, soybeans, citrus, cotton, tobacco, livestock (cattle, pigs and poultry)
Coal, copper, iron, bauxite, mercury, silver, gold, nickel, zinc, tungsten, uranium, phosphate, petroleum, natural gas timber
1,073,518 sq. miles
Forests in north; rich treeless, pampas plains in northeast; flat Patagonia plateau in south and craggy Andes mountains on western border with Chile.
Wheat, maize, soybeans, sugar cane, rice, sorghum, potatoes, tobacco, sunflowers, cotton, vine fruits, citrus, livestock (mostly cattle)
Coal, crude oil, natural gas, iron ore, zinc, gold, silver, uranium, marble, granite