EMPLOYEE STATED THAT HE WAS WALKING ACROSS THE LAST ROW OF CROSSCUTS WHEN HE SLIPPED AND FELL IN AN UNEVEN PLACE IN THE MINE FLOOR. HE STATED THAT THERE WAS WATER IN THE AREA WHERE HE FELL. HE STATED THAT HE FELL ON HIS RIGHT KNEE WHICH CAUSED A TWISTING MOTION. HE REPORTED THAT HE EXPERIENCED PAIN TO THE RIGHT KNEE AREA.