Engineering & Mining Journal (E&MJ) is the leading trade journal for mining and mineral processing worldwide. Its readers are mostly mining engineers, metallurgists, mine and plant managers, and geologists. Editorial focus is on hardrock mining and processing of base metals, ferrous/nonferrous metals, precious metals and industrial minerals. Each issue also carries a limited amount of international coal-industry news. Since 1866, E&MJ has been the voice of the international mining community providing in-depth, unmatched editorial to an extensive readership that far outnumbers the closest competitor. Our audited circulation is delivered to subscribers from companies such as Freeport McMoRan Copper & Gold, Anglo American, Teck, Newmont, BHP Billiton, Rio Tinto, Syncrude, Anglo Platinum and every other major company involved in the mining industry. Decision makers throughout the mining industry rely on E&MJ for the latest in industry news, trends and techniques.