Okla. Stat. tit. 80, § 80-6: Concurrent jurisdiction with United States over land

acquired.

The State of Oklahoma shall retain a concurrent jurisdiction

with the United States in and over any lands acquired, so far that

civil process in all cases, and such criminal process as may issue

under the authority of the State of Oklahoma against any person

charged with the commission of any crime without or within said

jurisdiction, may be executed thereon in like manner as if this act

had not been passed.