mountaintop mining en Environmental Groups Sue to Block Mountaintop Mining in Kentucky, West Virginia <p>The Sierra Club along with environmental groups in Kentucky and West Virginia are attempting to block permitting at two mountaintop surface mines, alleging in federal lawsuits that the U.S. Army Corps of Engineers did not consider potential health impacts on residents. Fri, 19 Oct 2012 11:05:34 +0000 Associated Press 20943 at