Okla. Stat. tit. 19, § 19-346: County map to be made

Said board is authorized to procure for their county a copy of

field notes, of the original survey of their county by the United

States, and cause a map of the county to be constructed therefrom on

a scale of not less than one inch to a mile, and laid off in

congressional townships and sections, to be kept open in the office

of the county clerk, and the field notes to be deposited in the same

office.