All persons entering upon, or assisting to enter upon; enclosing, or assisting to enclose; locating, or assisting to locate upon, or in any manner connected with the taking up, occupying, enclosing or assisting to enclose, or obstructing any authority of the city, for the purpose of taking possession, directly or indirectly, of any of the vacant or unoccupied lands, owned, claimed or held in trust by the city, in conflict with the ordinances providing for and regulating the sale of public lands, owned, claimed or held in trust by the city, shall be guilty of a misdemeanor.
(1953 Code, ch. 18, ยง 5)