(a) The authority shall operate or provide for the operation of the park or historic site hereby provided for and any appurtenances thereto in such manner as to facilitate its exhibition to the public, either with or without a charge. If the authority, in its discretion, decides that a charge is appropriate, then the authority shall fix and provide for the collection of such charge or charges as it deems appropriate for admission to the park and for the use, viewing of or other enjoyment of exhibits and other facilities appurtenant to the park.
(b) The authority may enter into agreements with any civic organization, lay group or industrial, professional, educational or governmental organization relative to the general management of the park or historic site.
(c) The authority is also specifically authorized to accept gratuitous services from individuals and organizations and to employ such rangers, guides, maintenance people, guards, superintendents and professional staff and other employees as, in its opinion, are needed for the operation and exhibition of such park or historic site.