Mine proposed on Michigan-Wisconsin border prompts concerns

With controversy over iron mining in northern Wisconsin subsiding in recent months, a Canada-based company has resurrected plans to develop an open-pit mine in Michigan's Upper Peninsula, a few hundred feet from the state border.

Aquila Resources Inc. says it will invest more than $300 million to extract gold, zinc, copper and silver along the Menominee River, which divides northeastern Wisconsin from Michigan and flows into Green Bay.....