Highwall mining is an important coal mining method. More than 60 highwall miners are presently in operation, and they may account for about 4% of total U.S. coal production. A review of accident data for 1983-2002 from the Mine Safety and Health Administration ...

Minerals are one element of Australia’s natural resource base. Other key natural resources include forestry and fisheries, and together with agriculture, they make a significant contribution to the Australian economy and Australia’s Gross Domestic Product ...