Wyo. Stat. § 24-3-103: Viewer; appointment, qualifications and duties generally.

Upon filing of the petition the board of the county commissioners at a regular or special meeting, or the chairman of the board, if in his judgment an emergency exists, shall appoint a suitable and disinterested person, who may be a member of the board of county commissioners, to examine into the expediency of the proposed road, alteration or vacation thereof, and to report immediately.