The 9th U.S. Circuit Court blocked a proposed land swap that would allow construction of a copper mine at Oak Flat. Mine opponents asked the court to prevent Resolution Copper from taking control of 2 ...

A U.S. appeals court has temporarily blocked the transfer of federal forest land in Arizona to a pair of international companies that plan to mine one of the largest copper deposits in North America.

A U.S. district judge on Friday denied the latest request by a Native American tribe, environmentalists and other plaintiffs to stop the federal government from transferring land in Arizona for a ...