The department may:
(1) accept gifts for the construction, building, or advertising of the park;
(2) accept gifts for exhibition dealing with the history or life of Dwight D. Eisenhower;
(3) advertise the affairs of the park;
(4) make rules and regulations for administration of the park;
(5) hire personnel necessary to carry out its duties;
(6) grant concessions; and
(7) operate and maintain the park.