webRNS-Oak-Flat-AZ1-022421.jpg

This file photo taken June 15, 2015, shows the Resolution Copper Mining area Shaft #9, right, and Shaft #10, left, that await the expansion go-ahead in Superior, Arizona. The mountainous land near Superior is known as Oak Flat or Chi’chil Biłdagoteel. It’s where Apaches have harvested medicinal plants, held coming-of-age ceremonies and gathered acorns for generations. (AP/Ross D. Franklin)
This file photo taken June 15, 2015, shows the Resolution Copper Mining area Shaft #9, right, and Shaft #10, left, that await the expansion go-ahead in Superior, Arizona. (AP/Ross D. Franklin)