HANDLING OF MATERIALS at Stillwater Mining Company
Employee was bolting with a jackleg drill and while was bent down picking up the drill a 6-foot drill steel fell and struck the employee across the back of the head. The employee called off on last shift of the rotation. Upon further investigation when the employee returned on the next rotation (4 on 4 off rotation) it was determined that EE called off for a headache.
U.S. Mine Safety and Health Administration