EE WAS CLEANING OUT FROM UNDER THE CONE CRUSHER DISCHARGE BELT. A ROCK COME OFF THE BELT OR PLATFORM ON TOP OF THE CONE CRUSHER. THE ROCK KNOCKED HIS HAT OFF AND CUT HIM. HE HAD A 1 1/2"" LACER ATION THAT WAS TREATED BY THE DR AT ST. MARY'S E.R. IT TOOK FOUR STAPLES.