Wyo. Dept. of Transportation No description specified. 1-2 (2 Records) Documents Class III Cultural Resource Survey of Skyline Road In Guernsey State Park, Wyoming Project SPR-8243, Platte County, Wyoming (1991) Class III Cultural Resource Survey of Skyline Road In Guernsey State Park, Wyoming Project SPR-8243, Platte County, Wyoming. (Revised) (1992)