Barrick Gold Corp. engages in the production and sale of gold, copper, and related activities. The company is headquartered in Toronto, Ontario. The firm is principally engaged in the production and sale of gold and copper, as well as related activities, such as exploration and mine development. The firm has ownership interests in producing gold mines that are located in Argentina, Canada, Cote d'Ivoire, the Democratic Republic of the Congo, the Dominican Republic, Mali, Tanzania and the United States. The Company’s operations include Nevada Gold Mines, Bulyanhulu, Hemlo, Jabal Sayid, Kibali, Loulo-Gounkoto, Lumwana, North Mara, Porgera, Pueblo Viejo, Tongon, Veladero and Zaldivar. Its Bulyanhulu operation is located in north-west Tanzania, approximately 55 kilometers (km) south of Lake Victoria and 150 km southwest of the city of Mwanza. The Hemlo operation is located north of Lake Superior on the Trans-Canada Highway, approximately 35 km east of Marathon, Ontario, and it is an underground operation.