62 STAT.] 80TH CONG. , 2D SESS.-CHS. 133 , 136 -3.R.1 6, 17, 1 948 requirements contained in section 11 of the Act approved February 22, 1889 (25 Stat. 676), any lands, interests in lands, buildings, or other property, real and personal, owned by the State of Montana within the boundaries of Glacier National Park. The aforesaid properties may be acquired from the State of Montana by the Secretary of the Interior for such consideration as he may deem advisable, when the acquisition of such property would, in his judgment, be in the best interests of the United States. Approved March 16, 1948. [CHAPTER 136] AN ACT To authorize the United States Park Police to make arrests within Federal res- ervations in the environs of the District of Columbia, and for other purposes. Be it enacted by the Senate and House of Representatives of the United States of America in Congress assembled, That on and within roads, parks, parkways, and other Federal reservations in the environs of the District of Columbia over which the United States has, or shall hereafter acquire, exclusive or concurrent criminal jurisdiction, the several members of the United States Park Police force shall have the power and authority to make arrests without warrant for any felony or misdemeanor committed in the presence or view of such members in violation of any Federal law or regulation issued pur- suant to law, or for any felony that in fact has been or is being com- mitted in violation of any such law or regulation where they have reasonable grounds to believe that the person to be arrested has com- mitted or is committing such felony, and shall have power to take any person arrested by them, without unnecessary delay, before the Federal court having jurisdiction over the offense or before a United States commissioner specifically designated to try and sentence per- sons charged with petty offenses as provided in the Act of October 9, 1940 (54 Stat. 1058), or before any other officer having authority to hold or commit for the offense. Such police officers shall also have power upon such roads and within such parks, parkways, and other reservations to execute any warrant or other process issued by a court or officer of competent jurisdiction for the enforcement of the pro- visions of any Federal law or regulation issued pursuant to law: Provided, That the power and authority herein granted shall not extend to military personnel for offenses committed on military reser- vations: Provided further, That the power and authority herein granted shall not limit or restrict the investigative jurisdiction of the Federal Bureau of Investigation. SEC. 2 . The Secretary of the Interior, with the approval or concur- rence of the head of the agency having jurisdiction or control of any road, park, parkway, or other Federal reservation, or his duly author- ized representative, is hereby authorized to make all needful rules and regulations for the regulation of traffic, for the protection of persons, property, health, and morals, to prevent breaches of the peace, to suppress affrays and unlawful assemblies and to aid in the enforce- ment of any of the rules and regulations so promulgated. To any rule or regulation there may be attached a reasonable penalty for the violation thereof not exceeding, however, a fine of not more than $500, imprisonment for not exceeding six months, or both. SEC. 3 . For the purposes of this Act, the environs of the District of Columbia are hereby defined as embracing Arlington and Fairfax Counties and the city of Alexandria in Virginia, and Prince Georges, Anne Arundel, and Montgomery Counties in Maryland. Approved March 17, 1948. 68706°-49 -pt. 1- - 81 March 17,1948 [H. R. 3936] [Public Law 447] U. S . Park Police. Arrests in environs ofD.C. 18U.S.C.§§576- 657d. Post, p. 868 . Military personnel. Jurisdiction of FBI. Rules and regula- tions. Penalty. Environs of D. C.
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