; and (II) to meet the requirements of the Milk River Project. (3) Description of Dodson land (A) In general The Dodson Land referred to in paragraphs (1) and (2) is the approximately 2,500 acres of land owned by the United States that is, as of the date of enactment of this Act, under the jurisdiction of the Bureau of Reclamation and located at the northeastern corner of the Reservation (which extends to the point in the middle of the main channel of the Milk River), where the Milk River Project facilities, including the Dodson Diversion Dam, headworks to the Dodson South Canal, and Dodson South Canal, are located, and more particularly described as follows: (i) Supplemental Plat of T. 30 N., R. 26 E., PMM, secs. 1 and 2. (ii) Supplemental Plat of T. 31 N., R. 25 E., PMM, sec. 13. (iii) Supplemental Plat of T. 31 N., R. 26 E., PMM, secs. 18, 19, 20, and 29. (iv) Supplemental Plat of T. 31 N., R. 26 E., PMM, secs. 26, 27, 35, and 36. (B) Clarification The supplemental plats described in clauses (i) through (iv) of subparagraph (A) are official plats, as documented by retracement boundary surveys of the General Land Office, approved on March 11, 1938, and on record at the Bureau of Land Management. (C) Technical corrections Notwithstanding the descriptions of the parcels of Federal land in subparagraph (A), the United States may, with the consent of the Fort Belknap Indian Community, make technical corrections to the legal land descriptions to more specifically identify the parcels to be transferred. (4) Cooperative agreement Not later than 3 years after the enforceability date, the Bureau of Reclamation, the Malta Irrigation District, the Bureau of Indian Affairs, and the Fort Belknap Indian Community shall negotiate and enter into a cooperative agreement that identifies the uses to which the Fort Belknap Indian Community may put the land described in paragraph (3), provided that the cooperative agreement may be amended by mutual agreement of the Fort Belknap Indian Community, Bureau of Reclamation, the Malta