Colo. Rev. Stat. § 30-5-134
Beginning at the point of intersection of the east boundary line of Colorado with the south line of township twenty south; thence west on said township line to its intersection with the west line of range fifty-four west; thence north on said range line to the northwest corner of township twenty south, range fifty-four west; thence west on the south line of township nineteen south, range fifty-four west, to the southwest corner of said township and range; thence north on the west line of range fifty-four west to its intersection with the south line of township seventeen south; thence east on said township line to its intersection with the west line of range fifty-one west; thence north on said range line to its intersection with the south line of township sixteen south; thence east on said township line to the east boundary line of Colorado; and thence south on the Colorado boundary line to the place of beginning. Said public land survey lines are based upon the sixth principal meridian.
C.R.S. § 30-5-134