Mo. Rev. Stat. § 46.150: Shannon.

Beginning at the northwest corner of section thirty-one, in township twenty-six, north, of range six, west; thence north with the range line dividing ranges six and seven, west, to the northwest corner of township thirty-one of range six, west; thence east with the township line between townships thirty-one and thirty-two to the northwest corner of section four, township thirty-one, range two, west; thence with the western boundary line of Reynolds County, as described in section 46.139, to the northern boundary line of Carter County; thence west with said boundary line to the southwest corner of section eighteen, township twenty-eight, range two, west; thence south with the range line dividing ranges two and three, west, to the southeast corner of section twenty-five, township twenty-six, range three, west; thence west with said subdivisional line to the place of beginning.