Sec. 11.   Digging ditches below a certain level in certain areas.
   It shall be unlawful for any person, firm or corporation to dig any ditch under any portions of U.S. Highway No. 701, N.C. Highway No. 53 and S.R. 1515 which surround that body of water in Bladen County known as White Lake, below sixty-six (66) feet above sea level, except for the Town of White Lake, after first having obtained a written permit from the State Highway Commission or its duly authorized officers, as provided in G.S. 136-93, in the installation, repair and maintenance of its water and sewer mains and lines or storm or drainage sewer lines.
   If any person shall violate the provisions of this act he shall be guilty of a misdemeanor and may be fined or imprisoned in the discretion of the court.
(Session Laws 1971, Ch. 570, §§ 1, 2; Session Laws 1973, Ch. 252, § 1; Session Laws 1987, Ch. 116, § 1)