"NO PERSON UNDER AGE 21 SHALL BE IN POSSESSION OF ALCOHOLIC BEVERAGES.QUIET HOURS. No person shall operate or use any audio, such as a radio, television, musical instrument, or other noise producing device or motorized equipment (including generators)between the hours of 10 pm and 6 am in a manner that makes unreasonable noise that disturbs other visitors; or operate or use a public address system" . . . .