Wyo. Stat. § 21-13-704
If a proposed issue of bonds has been approved in the election and issuance thereof has been authorized by the school district board of trustees as provided by this article, the bonds shall thereafter at one (1) time or from time to time be sold at public or private sale. All costs and expenses incident to the issue and sale of the bonds may be paid out of the proceeds of the sale of the bonds. If the bonds are to be sold at public sale, the school district board of trustees shall give notice of sale by at least one (1) insertion of such notice in some newspaper of general circulation in the district of its intention to sell the bonds. The notice shall briefly describe the bonds and the time and place where the sale thereof will take place. If there is no newspaper of general circulation in the district, the board may publish the notice of sale in any newspaper published in the county seat of any county in which the district is wholly or partially located. Publication shall be made not less than ten (10) days nor more than thirty (30) days prior to the date designated for the sale of the bonds.
W.S. 21-13-704