Beginning at the northeast corner of section eighteen, in township fifty-six, range seven, west; thence south with the subdivisional lines to the southeast corner of section thirty in township fifty-three, range seven, west; thence west with the subdivisional line to the southwest corner of section thirty, township fifty-three, range twelve, west; thence north with the range line between ranges twelve and thirteen to the northwest corner of township fifty-five, range twelve, west; thence east to the northeast corner of said township fifty-five, range twelve, west; thence north with the range line between ranges eleven and twelve to the northwest corner of section eighteen, township fifty-six, range eleven, west; thence east with the subdivisional line to the place of beginning.