McEwen Mining Inc. engages in the exploration, development, production, and sale of gold and silver in the United States, Canada, Mexico, and Argentina. The company explores for copper deposits. It owns 100% interests in the El Gallo and Fenix projects located in Mexico; and the Black Fox Mine and Stock Mill, Grey Fox, and Froome and Tamarack properties in Canada. The company also owns interests in the Fuller, Davidson-Tisdale, Buffalo Ankerite, and Paymaster exploration properties located in Canada; and a 49% interest in the San José mine located in Argentina. In addition, it owns 100% interests in the Gold Bar and Tonkin properties located in Eureka County, Nevada; and interests in the Los Azules copper project located in the cordilleran region in the province of San Juan, Argentina. 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.