If the order and proceeding under this chapter be not appealed from within ten days from the filing thereof as provided in § 31-21-7, such judgment, order, and finding shall be final, and the officer or person in charge of such road may proceed to open the ditch in accordance with the directions and under the instructions of the board of township supervisors or county commissioners, as the case may be. Any such ditch shall be laid out upon the line that the owner of the land over which it is to pass may desire whenever it can be done without extra cost.
SDCL 31-21-10