Cesar's Tacos

ASARCO is one of the oldest US-based multi-national corporations. During its more than 120-year history, the company has owned mines in Mission, Ray and Silver Bell, Arizona; Butte, Troy, Black Pine and Mike Horse, Montana; Knoxville, Tennessee; Glover, Missouri; Garfield, Utah; Tar Creek, Oklahoma; Leadville, Colorado; Ground Hog, New Mexico; and Coeur dAlene, Idaho, among others. ASARCO has owned smelting and refining operations in Hayden, Arizona; El Paso and Amarillo, Texas; East Helena, Montana; Garfield and Murray, Utah; Selby, California; Denver, Colorado; Perth Amboy, New Jersey; Baltimore, Maryland; Bunker Hill, Idaho; and Omaha, Nebraska. ASARCO also had international holdings and investments in Mexico, Peru, Australia, Chile, Bolivia, Nicaragua, Newfoundland, Canada, West Africa, the Congo, and Saudi Arabia. Grupo Mexico began as an ASARCO subsidiary, Industria Minera Mexico, S.A. Through a complex reorganization process, ASARCO was sold to Grupo Mexico is 1999; Grupo Mexico purchased ASARCOs lucrative Peruvian subsidiary, Southern Peru Copper, in 2002. Grupo Mexico lost control of ASARCO when ASARCO declared bankruptcy in 2005. In 2009 Grupo Mexico regained control of ASARCO. Grupo Mexico now controls some of the largest and wealthiest mines in the world, and is ranked as the third largest copper producer globally. This timeline is a work in progress. Weve focused on the communities with which weve had the most contact and that weve learned the most about. We welcome new submissions about communities that have lived and worked with ASARCO, Grupo Mexico or any of their corporate offshoots. Early History 1887 Lead smelter constructed on the Texas/New Mexico/Mexico border, just above the Rio Grande River 1889 The Guggenheim family founds the Philadelphia Smelting and Refining Company in Pueblo, Colorado. The plant smelts ore high in zinc-often rejected by other companies because of its contaminated slag. 1890 Mexican ruler Porforio Diaz grants the Gug