1. Establishment (a) In general The Secretary of the Interior (in this Act referred to as the Secretary ) shall establish as a national wildlife refuge the lands, waters, and interests therein acquired under section 4, at such time as the Secretary determines that sufficient property has been acquired by the United States to constitute an area that can be effectively managed as a national wildlife refuge for the purposes set forth in subsection (b) of this section. The national wildlife refuge shall be known as the Western Riverside County National Wildlife Refuge (in this Act referred to as the Wildlife Refuge ). (b) Purpose The purpose of the Wildlife Refuge shall be— (1) to conserve, manage, and restore wildlife habitats for the benefit of present and future generations of Americans; (2) to conserve wildlife listed as endangered species or threatened species; (3) to support the recovery and protection of threatened and endangered species under the Endangered Species Act of 1973 ( 16 U.S.C. 1531 et seq.)