An unintentional roof fall occurred on Unit #1 in Entry 5 @ 37+30. The fall occurred due to the strata broke in the center of the intersection above the anchor point. Several roof bolts were left hanging in the roof. The fall is approximately 0 - 5.5 ft. high, 18 ft. wide, 18 ft. - 20 ft. long. The fall will not be cleaned up.