Atna Resources Ltd. (Atna) is a mineral resource company. The Company’s business is to explore, acquire, develop, and mine precious metals, uranium and other mineral properties. The Company is engaged in gold production operations in the western United States and conducts exploration activities in the search of mineral properties primarily in the western United States, Canada and Chile. The Company’s exploration and development efforts emphasize precious metals (gold and silver) and uranium, but also consider base metals and industrial minerals. The Company conducts a portion of its mineral exploration and development through joint ventures with other companies. CR Briggs Corporation, a wholly owned subsidiary of the Company, operates the Briggs Mine. The Company focuses on its wholly owned core properties, which include Briggs, Reward, Columbia and Pinson.