Mo. Rev. Stat. § 46.117
Beginning at a point in the middle of the main channel of the Missouri River, where the prolongation north of the range line between ranges fourteen and fifteen would intersect the same; thence in a direct line to the southwest corner of township forty-six, range fifteen; thence south to the northeast corner of section twelve, township forty-five, range sixteen; thence west with the subdivisional lines to the northwest corner of section seven, township forty-five, range seventeen; thence south with the range line between ranges seventeen and eighteen to the northwest corner of section seven, township forty-four, range seventeen; thence in a direct line to the southeast corner of township forty-three, range sixteen; thence east with the township line between townships forty-two and forty-three to the southeast corner of section thirty-one, township forty-three, range fourteen; thence in a direct line to a point on the Missouri River where the line between fractional sections twelve and thirteen in township forty-six, range fourteen, intersects the range line between ranges thirteen and fourteen; thence in a direct line to the nearest point in the middle of the main channel of the Missouri River; thence up the same in the middle of the main channel thereof, to the place of beginning.
§ 46.117, RSMo