37 Pa.C.S. § 901: Cession of concurrent jurisdiction.

The Commonwealth of Pennsylvania hereby cedes to the United States concurrent jurisdiction over lands, waters and buildings within the boundaries of units of the National Park System administered by the United States Department of the Interior National Park Service, including those owned, leased or administratively controlled by the National Park Service, as well as all lands and buildings hereafter acquired, leased or administratively controlled by the National Park Service.