Special thanks
to our supporters

  • NewsMatch
  • Ernie Pyle
  • Hunter S. Thompson
  • The Water Desk
  • Ida Tarbell
  • Dr. Van Nostrand — The Human Fund
  • Ben McNitt — McNitt Bros. Wood Works
  • Michael Holmes
  • Gary Morlock
  • Sandra Whitehouse
  • James S. Walker
  • & many more!

We rely on readers like you. Join them & contribute to the Sentinel today!

Hosting provider

Proud member of

Local Independent Online News Publishers Authentically Local Local First Arizona Institute for Nonprofit News
This banner was raised by protesters opposed to an enormous copper mine east of Superior that local tribes say will destroy land sacred to them.

Activists took part in the fifth annual walk to protest the proposed Resolution Copper Mine slated for land that the San Carlos Apache tribe calls sacred. Read more»

The Resolution Coppper Mine near Superior could be one of the largest copper mines on the continent. But an official the company behind the project told a House committee that years of permitting in the U.S. is a 'major barrier' to mining in this country.

The Resolution Copper Mine in Arizona would be operating by now in most countries, but is still years away from getting all the permits it needs, a company official said Tuesday. But Rep. Raul Grijalva said "we have regulations ... to make sure environmental, public health and all other attributes of community impact are taken into account." Read more»

This mine shaft near Superior will eventually be sunk to 7,000 feet.

As it prepares for a huge copper mine set to open near Superior in 2021, Resolution Copper Co. is urging state lawmakers to allow miners who work underground to be scheduled for shifts of up to 12 hours. Read more»

Resolution Coppper Co. would give the federal government more than 5,300 acres in several areas of southeast Arizona in exchange for more than 2,400 acres it wants to mine near Superior, in Pinal County.

The House voted Wednesday to swap more than 2,400 acres of copper-rich federal land in Pinal County with a mining company, Resolution Copper, that plans to develop the third-largest undeveloped copper resource in the world. Read more»