Arizona PBS April 13, 2021 Planning on the Resolution Copper mine near Superior has been going on for years, as have protests like the one at this encampment in 2016. Opponents say the mine will destroy Oak Flat, an area sacred to the San Carlos Apache, and cause environmental harm. Supporters say the mine will produce jobs and much-needed copper. (File photo by Bri Cossavella/Cronkite News) WASHINGTON – The mayor of Superior told a House panel Tuesday that a bill canceling a massive copper mine at Oak Flat would be “devastating” for the Pinal County town and its hopes to revitalize its economy.