FALL OF ROOF OR BACK at Consolidation Coal Company
A roof fall occurred above the anchor point on the main line track outby Dupont at survey station 68+00. The fall was 40ft long by 20ft wide and it varied from 10 to 12 ft high. It didn't involve any compliance issues. No equipment involved. No other 50.20 criteria applies.
U.S. Mine Safety and Health Administration