Goldcorp Inc. (Goldcorp) is a gold producer engaged in the operation, exploration, development and acquisition of precious metal properties in Canada, the United States, Mexico and Central and South America. As of December 31, 2011, its producing mining properties were consisted of the Red Lake, Porcupine and Musselwhite gold mines in Canada; the Penasquito gold/silver/lead/zinc mine, Los Filos and El Sauzal gold mines in Mexico; the Marlin gold/silver mine in Guatemala; the Alumbrera gold/copper mine (37.5% interest) in Argentina; the Marigold (66.7% interest) and Wharf gold mines in the United States. As of December 31, 2011, its development projects included the Cerro Negro gold project in Argentina; the Eleonore and Cochenour gold projects in Canada; the Pueblo Viejo gold project (40% interest) in the Dominican Republic; the El Morro gold/copper project in Chile; the Noche Buena and Camino Rojo gold/silver projects in Mexico, and the Cerro Blanco gold/silver project in Guatemala.