EE STATED THAT HE WAS OPERATING A COAL LOADER AND WAS CLEANING COAL IN THE PIT AREA. AS HE WAS CLEANING ALONG THE HIGHWALL, SOME ROCKS FELL OUT OF THE HIGHWALL AND ONTO THE TOP FRONT OF THE LO ADER CAB/ROPS BENDING THE CAB DOWNWARD AND BREAKING OUT FRONT GLASSES. EE SUSTAINED VERY MINOR CUTS TO RIGHT ARM AND A CERVICAL STRIAN FR5OM HITTING HIS HEAD AGAINST AN OVERHEAD OBJECT.