Mining continues at the Continental Pit. Nearby is the Berkeley Pit, a site for acid mine drainage that poses an opportunity ...

The U.S. is sitting on a rare earths goldmine — not buried underground, but suspended in toxic wastewater. A long-polluted ...

The map below (Figure 1 ... and test for open pittable at or near surface resources on which expedited open pit mining activities may be commenced. The program is expected to take approximately ...