PUBLIC LAWS-CHS. 915, 916-AUG. 8,1946 Agreements. Regulations. August 8, 1946 [S. 1236] [Public Law 696] Mineral Lands Leasing Act, amend- ments. Disposition of de- posits to U. 8 . citizens, etc. 16 U.S. C. § 480, 500, 513-519, 521 , 552, 563; Supp. V, § 500. Citizens of another country. Helium. Extraction from gas. now or hereafter established, when the acquisition by exchange of such property would, in his judgment, be in the best interests of the United States. In exchange for the non-Federal property so to be acquired, the Secretary of the Interior is authorized to convey to the gantors of such property, or to their nominees, any federally owned lands, interests in lands, buildings, or other property, real or per- sonal, within the authorized boundaries of the Glacier National Park, located in the State of Montana and administered by the National Park Service, which are of approximately equal value, as determined by the Secretary, to the property being acquired. In order to facilitate the making of such exchanges, the Secretary of the Interior may enter into agreements for the reservation in con- veyances to the United States, or for the grant in conveyances from the United States, of such estates for years, life estates, or other interests as may be consistent, in his judgment, with the accomplish- ment of the purposes of this Act, but all such limitations shall be considered in determining the equality of the interests to be exchanged. SEc. 2 . Any property acquired pursuant to this Act shall, upon acceptance of title thereto, become a part of the Glacier National Park, and shall be subject to all laws applicable to such area. The Secretary of the Interior is authorized to issue such regulations as he deems necessary for carrying out the purposes of this Act. Approved August 8, 1946. [CHAPTER 916] AN ACT To amend the Mineral Leasing Act of February 25, 1920, as amended, in order to promote the development of oil and gap on the public domain, and for other purposes. Be it enacted by the Senate and House of Representatives of the United States of America in Congress assembled, That section 1 of the Act of February 25, 1920 (41 Stat. 437; 30 U. S. C., sec. 181 and the following), as amended be amended to read as follows: "That deposits of coal, phosphate, sodium, potassium, oil, oil shale, or gas, and lands containing such deposits owned by the United States, including those in national forests, but excluding lands acquired under the Act known as the Appalachian Forest Act, approved March 1, 1911 (36 Stat. 961) and those in incorporated cities? towns, and villages and in national parks and monuments, those acquired under other Acts subsequent to February 25, 1920, and lands within the naval petroleum and oil-shale reserves, except as hereinafter provided, shall be subject to disposition in the form and manner provided by this Act to citizens of the United States, or to associations of such citizens, or to any cor- poration organized under the laws of the United States, or of any State or Territory thereof, or in the case of coal, oil, oil shale, or gas, to municipalities. Citizens of another country, the laws, customs, or regulations of which deny similar or like privileges to citizens or cor- porations of this country, shall not by stock ownership, stock holding, or stock control, own any interest in any lease acquired under the pro- visions of this Act. "The United States reserves the ownership of and the right to extract helium from all gas produced from lands leased or otherwise granted under the provisions of this Act, under such rules and regu- lations as shall be prescribed by the Secretary of the Interior: Pro- vided further, That in the extraction of helium from gas produced from such lands it shall be so extracted as to cause no substantial 950 [60 STAT.