McEwen Mining Inc. is a mining and minerals exploration company. The Company is focused on precious and base metals in Argentina, Mexico and the United States. Its operating segments include Argentina, Mexico and the United States. It has a land position consisting of mining claims, leases of mining claims or concessions of around 814 square miles in Argentina, 697 square miles in Mexico and 241 square miles in Nevada. It holds around 49% interest in Minera Santa Cruz S.A. (MSC), owner and operator of the producing San Jose mine in Santa Cruz, Argentina, which is controlled by the majority owner of the joint venture, Hochschild Mining plc (Hochschild). It also owns the El Gallo 1 gold mine in Sinaloa, Mexico. In addition to its operating properties, it also holds interests in numerous exploration stage properties and projects in Argentina, Mexico and the United States, including the Gold Bar (Gold Bar) and Los Azules (Los Azules) projects.