A roof fall occured at an intersection where there was an intake/return overcast in 10th West at crosscut 11, # 6 entry. The roof fall was approximately 35 ft in length, 20 ft in width, and approximately 6 to 8 ft in height. The fall was at or above the anchorage zone and impeded travel in the return and intake entries. This roof fall was immediately report to MSHA.