The said consent is given, and the said jurisdiction ceded, upon the express condition that the state of Pennsylvania shall retain concurrent jurisdiction with the United States in and over the land or lands, so far as that all civil process, in all cases, and such criminal and other process as may issue under the laws or authority of the state of Pennsylvania, against any person or persons charged with crimes or misdemeanors committed within said state, including said lands, may be executed in the same way and manner as if such consent had not been given or jurisdiction ceded, except so far as such process may affect the real or personal property of the United States.
74 P.S. § 74