Wyo. Stat. § 36-5-117: Lessee's liability.

(a) A state lands lessee's liability to users of those lands is limited as specified in W.S. 34-19-101 through 34-19-107. A state lands lessee's liability to users of improvements upon those lands is limited to the same extent, provided that:

(i) The improvement is properly authorized under W.S. 36-5-110 or has otherwise been authorized by the board of land commissioners; and

(ii) The lessee did not charge the user to use the improvement.