The director shall make no commitment or enter into any agreement pursuant to an exercise of authority under this chapter until he has determined that any money or property required to be furnished as the state’s share, if any, of project cost is available for such purpose. It is the legislative intent that, to such extent as may be necessary to assure the proper operation and maintenance of areas and facilities acquired or developed pursuant to the act participated in by this state under authority of this chapter, such areas and facilities shall be publicly maintained for outdoor recreation purposes. The director may enter into and administer agreements with the Department of the Interior of the United States for planning, acquisition, and development projects involving participation in or receipt of aid under the act on behalf of any local governmental agency or subdivision of this state.