Wyo. Stat. § 2-9-202
Upon filing the petition the court shall fix a time for hearing the petition not less than thirty (30) days after the filing thereof. Notice of the time and place of hearing shall be given to all persons interested in the proceeding including creditors, heirs and devisees, setting forth the filing of the petition, the date of the supposed death of the deceased, his place of residence, a description of the real property or interest therein of which he died seized or a description of the real property on which he had made an entry but had not yet received patent and the interest in the real estate of the petitioner. The notice shall be published once a week in a newspaper of general circulation in the county for four (4) consecutive weeks prior to the hearing, and shall be mailed simultaneously with the first publication to those persons designated in W.S. 2-7-205.
W.S. 2-9-202