EMPLOYEE ALLEGES THAT BETWEEN 10/24-28/2002, HE TWISTED HIS RIGHT KNEE WHILE STANDING IN MUD NEAR MINING UNIT. HE CASUALLY TOLD HIS TEAM LEADER DAYS LATER HE THOUGHT HIS KNEE WAS INJURED, BUT DID NOT RELATE IT TO WORK. HE SAW A DOCTOR IN LATE OCT AND TOLD HIM HIS KNEE HAD BEEN HURTING FOR 1 MONTH. IN LATE JANUARY HE SAW A SPECIALIST WHO RESTRICTED HIS WORK DUTIES. HE HAD ALLEGED TH