The purpose of this section and sections
18f–2 and
18f–3 of this title shall be to increase the public benefits from museums established within the individual areas administered by the Secretary of the Interior through the National Park Service as a means of informing the public concerning the areas and preserving valuable objects and relics relating thereto. The Secretary of the Interior, notwithstanding other provisions or limitations of law, may perform the following functions in such manner as he shall consider to be in the public interest:
(b)
Purchases
Purchase museum objects, museum collections, and other personal properties at prices he considers to be reasonable;
(c)
Exchanges
Make exchanges by accepting museum objects, museum collections, and other personal properties, and by granting in exchange therefor museum property under the administrative jurisdiction of the Secretary which is no longer needed or which may be held in duplicate among the museum properties administered by the Secretary, such exchanges to be consummated on a basis which the Secretary considers to be equitable and in the public interest;
(d)
Accepting loans of museum objects
Accept the loan of museum objects, museum collections, and other personal properties and pay transportation costs incidental thereto, such loans to be accepted upon terms and conditions which he shall consider necessary; and
(e)
Making loans of museum objects
Loan to responsible public or private organizations, institutions, or agencies, without cost to the United States, such museum objects, museum collections, and other personal property as he shall consider advisable, such loans to be made upon terms and conditions which he shall consider necessary to protect the public interest in such properties.