Wyo. Stat. § 34-12-113
Whenever any congressional subdivision of land of forty (40) acres of land, or less, or any lot or subdivision is owned by two (2) or more persons in severalty, and the description of one (1) or more of the different parts or parcels thereof, cannot, in the judgment of the county clerk, be made sufficiently certain and accurate for the purposes of assessment and taxation without noting the metes and bounds of the same, said county clerk shall require, and cause to be made and recorded, a plat of such tract or lot of land, with its several subdivisions, in accordance with the provisions of (this act, and he shall proceed in such cases according to the provisions of) W.S. 34-12-112, and all the provisions of said section in relation to plats of towns, cities, and so forth, shall govern as to the tracts and parcels of land in this section referred to.
W.S. 34-12-113