PolyMet Mining Corp. (PolyMet) is a development-stage company. The Company is engaged in the exploration and development of natural resource properties. The Company's sole mineral property is the NorthMet Project, which consists of NorthMet copper-nickel-precious metals ore body. The NorthMet Project covers a total of approximately 16,700 acres or 25.9 square miles. The Erie Plant consists of crushing, grinding and milling facility. The Erie Plant is located approximately six miles from the ore body in the mining district of the Mesabi Iron Range in northeastern Minnesota, the United States.