TWO EES RODE THE ELEVATOR INTO THE MINE. THEY REPORTED TO THE MINE FOREMAN THAT THE ELEVATOR MADE AN UNUSUAL SOUND WITH SOME VIBRATION (STARTING AT ABOUT 75' DOWN FROM THE SURFACE). THE MINE F OREMAN HAD THE ELEVATOR TAKEN OUT OF SERVICE UNTIL IT COULD BE CHECKED BY THE SERVICE RPRESENTATIVES. THEY INSPECTED THE ELEVATOR AND COULD FIND NO DAMAGE OR CAUSE FOR THE SOUND/VIBRATION (IC