On old 1 rt panel (9 belt) #4 by inter fell in, 1 block in by spad #2513. Area developed 12-04, bolted with 6' resin bolts and T-3 channel. it was a 4 way inter, cover approx 300-350'. Fall was approx 6' high 16' l 16' w. Fall will not be cleaned up. Posted and dangered off.