Agencies of this state which have jurisdiction over or be charged with the administration of any state-owned lands, and of any county, or other governmental subdivision of the state, which have jurisdiction over or be charged with the administration of any county-owned or other publicly owned lands lying within the boundaries of any district organized hereunder may cooperate with the supervisors of the districts in the effectuation of programs and operations undertaken by the supervisors under the provisions of this article. When such cooperation is undertaken, the supervisors of the districts shall be given free access to enter and perform work upon the publicly owned lands.