It is the purpose of sections 469d to 469i of this title to assure protection, preservation, and interpretation of the nationally significant values of Wisconsin continental glaciation, including moraines, eskers, kames, kettleholes, drumlins, swamps, lakes, and other reminders of the ice age.

(Pub. L. 88–655, § 1, Oct. 13, 1964, 78 Stat. 1087.)