There is more info coming about the recent House hearing on HR2944, which would ban all new mineral entry in Coronado National Forest in Pima and Santa Cruz counties in Southern Arizona. [right, land position at the Rosemont copper site]
According to the Willcox Range News, the US Dept of Agriculture (including the US Forest Service) and the US Dept. of Interior (including BLM), supported Rep. Grijalva's bill.
The bill would also require BLM to validate the economic viability of any existing mining claims, including those for the Rosemont copper mine.
The bill would also ban geothermal energy exploration and development on federal lands in those counties.