The Assistant Attorney General in charge of the Environment and Natural Resources Division, and such members of his staff as he may specifically designate in writing, are authorized to exercise the power and authority vested in the Attorney General by the Act of June 4, 1934, 48 Stat. 836, with respect to approving the making or acceptance of conveyances by the Secretary of the Interior on behalf of the United States.
28 C.F.R. §0.69a