61 STAT.] 80TH CONG. , 1ST SESS.-CHS. 157, 158 -JUNE 27, 1947 and operation of such of the buildings and grounds (as may be desig- nated and approved by the Commissioners of the District of Columbia under the provisions of this section) in and on which such nurseries and nursery schools may be established, maintained, and operated." SEC. 3 . Section 4 of such Act is amended by striking out "$500,000" 60 Stat. 541. and inserting in lieu thereof "$150,000". Approved June 27, 1947. [CHAPTER 158] AN ACT 189 June 27, 1947 Authorizing certain agreements with respect to rights in helium-bearing gas lands [H. R. 3372] in the Navajo Indian Reservation, New Mexico, and for other purposes. [Public Law 124] Be it enacted by the Senate and House of Representatives of the United States of America in Congress assembled, That the Secretary of the Interior, acting through the Bureau of Mines, and the Navajo Tribe of Indians are authorized to enter into an agreement dated December 1, 1945, entitled "An agreement severing certain formations from oil and gas leases and substituting new leases as to those forma- tions" and an "Amending agreement", affecting lands in the Navajo Indian Reservation, New Mexico, copies of which are published in House of Representatives Document Numbered 212, Eightieth Con- gress, first session; and said agreements are ratified and approved. If said Navajo Tribe of Indians shall, after investigation, deem the total consideration payable to it by the United States pursuant to such agreement dated December 1, 1945, as amended, to be in any respect less than reasonable, fair, just, and equitable, said tribe shall be entitled within three years after the date of enactment of this Act to institute suit against the United States in the Court of Claims for the recovery of such additional sum as may be necessary to compensate said tribe for the reasonable, fair, just, and equitable value of all right, interest, and property passing from said tribe to the United States under such agreement, as amended. Jurisdiction is hereby conferred upon the Court of Claims to hear and determine any suit so instituted and to enter final judgment against the United States therein for such sum, if any, in excess of the total consideration payable pursuant to such agreement, as amended, as such court may determine to be necessary to provide consideration in all respects reasonable, fair, just, and equitable. Appellate review of any judgment so entered shall be in the same manner, and subject to the same limitations, as in the case of claims over which the Court of Claims has jurisdiction under section 145 of the Judicial Code, as amended (28 U. S . C., sec. 250). Not- withstanding any contract to the contrary, not more than 10 per centum of the amount received or recovered by said tribe in satisfaction of any claim asserted under this section shall be paid to or received by any agent or attorney on account of services rendered in connection with such claim. SEC. 2 . The Secretary of the Interior, acting through the Bureau of Mines, is authorized to enter into an agreement dated September 19, 1946, with Continental Oil Company and Santa Fe Corporation entitled "Agreement for assignments of interests in oil and gas leases and for operations on the leaseholds" and two agreements supple- mental thereto, affecting lands in the Navajo Indian Reservation, New Mexico, copies of which are published in House of Representatives Document Numbered 212, Eightieth Congress, first session; and said agreements are ratified and approved. Approved June 27, 1947. Navajo Tribe of Indians. Agreements. Suit for recovery of additional sum. 36 Stat. 1136 . Continental Oil Co. and Santa Fe Corp. Agreements.