Wyo. Stat. § 1-26-515: Abandonment, nonuse or new use.

Upon abandonment, nonuse for a period of ten (10) years, or transfer or attempted transfer to a use where the transferee could not have condemned for the new use, or where the new use is not identical to the original use and new damages to the landowner whose property was condemned for the original use will occur, any easement authorized under this act terminates.