Except as proved by the rules and regulations of the governing body, it is unlawful for any person to erect or maintain any fence, corner post, coping or boundary of any kind, to plant any vegetation upon any lot or lots, street, alley or walk in the cemetery or to grade the ground or land thereof. The cemetery superintendent shall, whenever required, furnish the true lines of any lots according to official survey, shall prevent and prohibit any markings of the same except by official landmarks, and shall prevent and prohibit any grading thereof that might destroy or interfere with the general slope of the land. (Code 1975 § 8-235)