Grand Canyon Mining

January 9, 2012 - 5:23 PM
FILE - In this Sept. 27, 2010 file photo, O'Neill Butte as seen from South Kaibab Trail, in Grand Canyon National Park, Ariz. The Obama administration announced Monday a 20-year ban on new mining claims on more than 1 million acres near the Grand Canyon, among the most well-known and visited natural wonders in the US. (AP Photo/Carson Walker, File)