Such lands, when acquired in accordance with the provisions of section 691 of this title, shall constitute the Cheyenne Bottoms Migratory Bird Refuge, and shall be maintained as a refuge and breeding place for migratory birds included in the terms of the convention between the United States and Great Britain for the protection of migratory birds concluded August 16, 1916.
(June 12, 1930, ch. 469, §2,