; (bb) T. 148 N., R. 95 W.; (cc) T. 148 N., R. 96 W.; or (dd) T. 149 N., R. 95 W.; (VI) located within a United States military reservation; or (VII) designated by Congress or the President for conservation purposes. 3. 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. (2) Approval Not later than 180 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. (3) Review Nothing in this subsection precludes the Secretary from conducting an environmental review of any parcel proposed for relinquishment under paragraph (1) if the Secretary determines that an environmental review is appropriate. (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 unappropriated Federal land by the Secretary under this Act— (i) shall be by patent or deed in a form acceptable to the State and the Secretary