Mo. Rev. Stat. § 46.151: Shelby.

Beginning at the southeast corner of section twelve, township fifty-six, range nine, west; thence with the subdivisional line to the southwest corner of section seven, township fifty-six, range eleven; thence south with the range line between ranges eleven and twelve to the southeast corner of township fifty-six, range twelve; thence west with the township line between townships fifty-five and fifty-six to the southwest corner of township fifty-six and range twelve, west; thence north with the range line between ranges twelve and thirteen to the northwest corner of township fifty-nine, range twelve, west; thence east with the township line between townships fifty-nine and sixty to the northeast corner of township fifty-nine, range nine, west; thence south with the range line between ranges eight and nine to the place of beginning.