A non-injury roof fall was discovered in the intake off of #16 belt at spad number 1491.5. Neither ventilation or primary escapeway lifeline were effected due to multiple entries of travel. The fall is between pillars, not in an intersection, and in a well entry. It is approx. 4 1/2 ft thick , 25 ft length, 16ft width. The effected area is to be cribbed off.