News Stories that relate to Rio Rico and Santa Cruz County, Arizona. Bracker, County Engineers to Discuss Permitting for South32's Road at Patagonia Event - Patagonia Regional Times Electric car batteries need minerals. Will America mine its own? (azcentral.com) Developer withdraws rezoning proposal for mining facilities in Rio Rico (tucsonsentinel.com) Rio Rico residents sound off on proposed mixed-used development plans (kgun9.com) Questions Raised at County Study Session - Patagonia Regional Times Video on Manganese poisoning.(182) Lethal Exposure - South Africa - YouTube (182) Manganese road | Carte Blanche | M-Net - YouTube Australia's South32 nixes $700 mln investment to extend NSW met coal mine | Reuters As Hermosa Project Ramps Up, Local Concerns Escalate - Patagonia Regional Times