Is there a map?
I run through Oklahoma regularly and those tribal police will really scalp ya.
https://www.loc.gov/resource/g4020.ct011160/?r=-0.089,-0.438,1.111,1.808,90
Need maps? Here are lots of them.
http://dougdawg.blogspot.com/2010/10/maps-and-history-of-oklahoma-county.html