Okla. Stat. tit. 66, § 66-60: Unknown owner

If upon the location of said railroad it shall be found to run

through the real property of any nonresident owner who is unknown to

the corporation, or who has not been by it informed thereof, and has

neither granted nor refused to grant the right-of-way through and

over his said premises, the said corporation may give four (4)

weeks' notice to such owner, if known, and if not known, by a

description of such real property, by publication four (4)

consecutive weeks in some newspaper published in the county or

subdivision where such real property may lie, if there be any, and

if not, in one nearest thereto on the line of their said road, that

said railroad has been located through and over his lands; and if

said owner do not, within thirty (30) days thereafter, apply to the

district judge to have the damages assessed, in the mode prescribed

in this article, said corporation may proceed to have the damages

assessed as herein before provided, subject to the same right of

review and appeal, as in case of resident owners; and upon payment

of damages assessed to the clerk of the district court, the

corporation shall acquire all the rights and privileges mentioned in

this article.