| − | An Auger machine is surface mining equipment consisting of a large, horizontal drill, generally 3 feet or more in diameter and up to about 100 feet long. It can remove [[coal]] at a rate of more than 25 tons per minute. | + | An '''auger machine''' is surface [[mining]] equipment consisting of a large, horizontal [[drill]], generally 3 feet or more in diameter and up to about 100 feet long. It can remove [[coal]] at a rate of more than 25 [[ton]]s per minute. |