Wyo. Stat. Ann. § 1-17-312

Unless a private sale is ordered as provided in W.S. 1-17-314, the officer who levies execution upon goods and chattels, shall cause public notice to be given of the time and place of sale at least ten (10) days before the day of sale. The notice shall be given by advertisement in a newspaper published in the county or, if no newspaper is published therein, then in a newspaper of general circulation in the county.