Okla. Stat. tit. 66, § 66-58: Commissioners to act in all cases

Freeholders so appointed shall be the commissioners to assess

all the damages to the owners of real property in said county or

subdivision; and said corporation may, at any time after their

appointment, upon the refusal of any owner or guardian of any owner

of lands in said county or subdivision to grant the right-of-way as

aforesaid, by giving said owner or guardian ten (10) days' notice

thereof in the manner required on the original appointment of

commissioners, have the damages assessed in the manner hereinbefore

prescribed. In case of the death, absence, or refusal or neglect of

any of said freeholders to act as commissioners as aforesaid, the

sheriff shall, upon the selection of the district judge, summon

other freeholders to complete the panel, and said commissioners

shall receive Three Dollars ($3.00) per day each for their services,

and the same shall be taxed in the bill of costs.