Wyo. Stat. § 18-4-310: Payment of bonds guaranteed; effect of county division.

The faith, credit and all taxable property within the county as constituted at the time of issue are and shall continue pledged to the payment of the principal and interest of the bonds. In the event of the division of any such county the segregated territory is relieved from any obligation occasioned by the issuance of the bonds when the county acquiring such territory pays its proportionate share as provided by W.S. 18-1-316 through 18-1-320.