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 is complete.

Resolution Copper is set to start exploratory drilling at Oak Flat after a long-sought land swap is completed.

Rio Tinto's joint venture with BHP has gained ​control of acreage in Arizona needed to build the Resolution Copper mine after ...

The U.S. Forest Service has finalized a long-contested land exchange with Resolution Copper, clearing a major hurdle for development of one of the world’s largest undeveloped copper deposits.

The U.S. Forest Service transferred ownership of Oak Flat to Resolution Copper on Monday, a major setback for opponents of a massive mine at a site the San Carlos Apache Tribe considers sacred.

The move facilitates the next stage of work and development planning for the Resolution Copper project.

The federal land swap grants thousands of acres of public land to Resolution Copper, following years of litigation, tribal opposition and political fights.

In a news release issued March 16, the U.S. Department of Agriculture’s Forest Service says it has completed the Southeast Arizona Land Exchange and issued the final record of decision for the ...

Rio Tinto and BHP’s legal win was a milestone in their bid to establish a copper mine in Arizona that has been caught in ...

A federal appeals court has cleared the way for the Trump administration to transfer Oak Flat to a private copper mining company.

Depending on a final appeal to the Supreme Court, the U.S. Forest Service may soon finally move forward with the construction of a copper mine in the heart of Western Apache holy land.

The 9th U.S. Circuit Court of Appeals today denied multiple requests for an injunction to block the Trump administration from transferring Oak Flat to a private mining company. The decision clears the ...