The library board shall have authority on its own motion, or on reference from the county executive, to inquire into matters affecting the county public library system including the acquisition and location of new library facilities, the adequacy of book collections, services to outlying districts and personnel needs of the department of libraries, and to make recommendations thereon to the county executive. (Mont. Co. Code 1965, § 2-53; 1969 L.M.C., ch. 34, § 11.)