For a month, a small group of American Indians and environmental activists occupied an isolated patch of woods in Michigan's Upper Peninsula where the world's third-largest mining company is preparing to drill for nickel and copper. The protesters vowed to stay put, saying the mine would desecrate sacred ground and pollute waters that flow into nearby Lake Superior. But their vigil ended Thursday, as police enforced an order by Kennecott Eagle Minerals Co [part of Rio Tinto] to clear the area...Kennecott...said calling the police was a last resort after protesters refused several requests to vacate the state-owned property...