Natural resources
coal, copper, lead, molybdenum, phosphates, rare earth elements, uranium, bauxite, gold, iron, mercury, nickel, potash, silver, tungsten, zinc, petroleum, natural gas, timber, arable land; note 1: the US has the world's largest coal reserves with 491 billion short tons accounting for 27% of the world's total note 2: the US is reliant on foreign ...