A Headwaters News article on Orvana Minerals (trying to open a copper mine next to Lake Superior, near Porcupine Mountain Wilderness State Park):
According to Anderson, other efforts to protect the environment will likely include the use of a “continuous miner” machine that would grind the rock below the surface—reducing dust emissions at the surface—and gravity-feed it to a conveyor system, a process he describes as “the most economically or green” method available. Anderson says countries “more advanced” than the United States are already using this mining method and seems to lament the weaknesses in federal and state environmental laws, including Michigan’s “Part 632” mining law that regulates nonferrous, or non iron ore mining in the state. Read the rest of this entry »
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