McEwen Mining Inc. engages in the exploration for, development of, production, and sale of gold, silver, and copper. The company's principal assets consist of a 49% interest in the San José Mine in Santa Cruz, Argentina; the El Gallo complex in Sinaloa, Mexico; the Gold Bar Project in Nevada, United States; and the Los Azules Project in San Juan, Argentina, as well as a portfolio of exploration properties in Argentina, Nevada, and Mexico. As of December 31, 2012, it had an aggregate land position of approximately 4,988 square kilometers. The company was formerly known as US Gold Corporation and changed its name to McEwen Mining Inc. in January 2012. McEwen Mining Inc. was founded in 1979 and is headquartered in Toronto, Canada.