Beginning at the intersection of the first standard parallel south with the west line of range fifty-six west; thence south on said range line to its intersection with the second standard parallel south; thence west on said parallel to the northwest corner of section six, township eleven south, range fifty-six west; thence south on the west line of range fifty-six west to its intersection with the south line of township thirteen south; thence west on said township line to its intersection with the west line of range fifty-nine west; thence south on said range line 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-five west; thence south on said range line to the southwest corner of township seventeen south, range fifty-five west; thence east on the south line of said township and range to the southeast corner thereof; thence north on the east line of range fifty-five west to the southwest corner of township seventeen south, range fifty-four west; thence east on the south line of township seventeen south to the southeast corner of township seventeen south, range fifty-two west; thence north on the east line of range fifty-two west to its intersection with the third standard parallel south; thence east on said parallel to the southeast corner of township fifteen south, range fifty-two west; thence north on the east line of range fifty-two west to its intersection with the second standard parallel south; thence east on said parallel to the southeast corner of township ten south, range fifty-two west; thence north on the east line of range fifty-two west to its intersection with the first standard parallel south; and thence west on said parallel to the place of beginning. Said public land survey lines are based upon the sixth principal meridian.