Discovered in Arizona’s Copper Triangle, Oak Flat is home to one of the richest copper deposits in the world. But the battle ...

In recent weeks, you've likely heard a lot about rare-earth substances with hard-to-pronounce names, but experts warn that ...

Oak Flat — an area east of the Valley — may soon be home to a massive copper mine. It holds cultural and spiritual ...

Are copper mines 'destroying all the places that give life'? Arizona’s and America’s continuing drive ... Oak Flat, a scrubby expanse of boulders and ridges east of Superior on metro Phoenix’s eastern ...

Are copper mines 'destroying all the places that give life'? Arizona’s and America’s ... a scrubby expanse of boulders and ridges east of Superior on metro Phoenix’s eastern shoulder ...

President Donald Trump has made the raw materials of modern life a pillar of U.S. foreign policy. He has talked about ...

One of Arizona's longest-serving congressmen ... to develop uranium mines near the Grand Canyon and a huge copper mine near Superior. During his career, Grijalva championed immigrants ...

In 2010, Grijalva called for a boycott of Arizona in response to Senate ... uranium mines near the Grand Canyon and a huge copper mine near Superior. He used the position to lead efforts ...

This is -- we're building a resilient balance sheet to be able to reinvest and generate superior ... in Arizona Sonoran increases our copper exposure in what we consider to be a top mining ...