“Mexico´s worst mining disaster survivors turn to US Court for assistance”, 12 Apr 2016

…When 40 million liters of toxic leaching material and heavy metals from Grupo Mexico’s Buenavista del Cobre copper mine spilled into the Bacánuchi and Sonora Rivers in northern Mexico in 2014, the contamination affected over 25,000 people…Today…these communities turned to a United States federal court to support their ongoing legal battle…Southern Copper, a publicly-traded U.S. company headquartered in Phoenix, owns the Buenavista mine and other mining subsidiaries of multinational conglomerate Grupo Mexico…As Buenavista’s parent, Southern Copper has information relating to its operations and environmental practices, including information about the toxic spill...The information that Southern Copper can provide would show not only what caused the disaster…