The counties of Wagoner, Cherokee, Adair, Muskogee and Sequoyah. Said district shall have four (4) district judges to be nominated and elected as follows: Candidates for office Nos. 1 and 4 shall be nominated and elected at large and legal residents of Muskogee County; a candidate for office No. 2 shall be nominated and elected at large and a legal resident of Wagoner or Cherokee County; and a candidate for office No. 3 shall be nominated and elected at large and a legal resident of Adair or Sequoyah County.
Okla. Stat. tit. 20, § 92.16