The employee was on the #3 section in the #4 face Bolting on the #3 RB. The employee had finished drilling in the first row of the second cut. The employee placed left hand on the ground behind self to get up when a rock measuring.36''L X 7''-15'' w X 2.5'' thick struck employee on the left hand. Area was approx 70'' high and damp. Swelling /1cm cut to the left hand. Under protest