Beginning at the point where the easterly right of way line of Interstate Highway No. 90 crosses the Lincoln-Adams County line; thence southwesterly along the easterly right of way line of the freeway to the Keystone Road; thence southerly along the easterly boundary of Section 11 (T20N, R37E); thence southerly along the section line to Cow Creek; thence southerly along Cow Creek to Danekas Road; thence easterly and northerly along Danekas Road to the point where it crosses the Adams-Lincoln County line; thence westerly along said county line across Sprague Lake to the easterly right of way line of the freeway and point of beginning.