Wyo. Stat. Ann. § 34-1-134

It shall be the duty of any county clerk within the state of Wyoming, upon request of any person and the filing in his office of a certified copy of an order of discharge of any receiver or trustee in bankruptcy of any national or state bank, trust company or building and loan association, to cancel of record any unreleased and unassigned mortgage or deed of trust of record in his office in which such national or state bank, trust company, or building and loan association, is mortgagee by releasing the said mortgage or deed of trust in the record where the same has been placed of record, and said release shall be effective and constitute a discharge of the lien of said mortgage or trust deed upon the real property covered by the same in the same manner and to the same effect as if said release had been made by the mortgagee thereof.