8685 - Establishing the Imperial National Wildlife Refuge; Arizona and
          California
          Signed: February 14, 1941
          Federal Register page and date: 6 FR 1016, February 18, 1941
          Revoked by: Public Land Order 3032, April 10, 1963 (28 FR
          3695)(in part); Public Land Order 4367, February 15, 1968 (33 FR
          3228)(in part); Public Law 100-696 of November 18, 1988 (102
          Stat. 4595)(in part); Public Land Order 7045, April 22, 1994 (59
          FR 24947)(in part)