THE INJURED WAS STANDING IN THE #4 ENTRY NEAR SPAD 11425 ON THE #1 SECTION WHEN A ROCK BROW FELL FROM THE LEFT INBY CORNER STRIKING THE INJURED ON THE LEGS. THIS RESULTED IN A FRACTURE TO THE RIGHT ANKLE. THE BROW MEASURED APPROX. 24""SQUARE. THIS IS A DEG. 3, CLASS 6 ACCIDENT.