; (bb) T. 148 N., R. 95 W.; (cc) T. 148 N., R. 96 W.; or (dd) T. 149 N., R. 95 W.; (V) located within a United States military reservation; or (VI) designated by Congress or the President for conservation purposes. 4. Relinquishment and selection; conveyance (a) Relinquishment and selection (1) In general Subject to valid existing rights, if the State elects to relinquish all right, title, and interest of the State in and to a State land grant parcel located wholly or partially within the boundaries of any reservation, the Secretary shall authorize the State to select in accordance with this Act 1 or more parcels of unappropriated Federal land of substantially equivalent value within the State of North Dakota. (2) Approval Not later than 90 days after the date on which the State makes a selection under paragraph (1), the Secretary shall approve or reject, in whole or in part, the selection. (b) Conveyance (1) Conveyance by Secretary (A) In general Not later than 60 days after the date on which the Secretary approves a State selection of unappropriated Federal land under subsection (a)(2), the Secretary shall initiate the actions necessary to convey to the State the unappropriated Federal land. (B) Requirements Conveyance of Federal land by the Secretary under this Act— (i) shall be by clear list, patent, or deed acceptable to the State