Okla. Stat. tit. 80, § 80-4.1: El Reno Federal Correctional Institution and El Reno

Federal Prison Camp - Jurisdiction.

Jurisdiction shall be, and the same is hereby ceded to the

United States over the tract of land comprised within the limits of

the El Reno Federal Correctional Institution and El Reno Federal

Prison Camp, an area about three thousand five hundred ninety-five

(3,595) acres in Canadian County; provided, however, that the State

of Oklahoma reserves concurrent jurisdiction to enforce the criminal

laws of the State of Oklahoma within the said correctional

institution and prison camp; and reserves the right to serve civil

or criminal process within said correctional institution and prison

camp in suits or prosecutions for or on account of rights acquired,

obligations incurred, or crimes committed in said state but outside

of said correctional institution and prison camp.