Missouri Revised Statutes Title VI. County, Township and Political Subdivision Government § 46.068. Cass

Beginning in the middle of the main channel of Grand River, where the range line between ranges twenty-eight and twenty-nine intersects the same;  thence north to the northeast corner of section thirty-six of township forty-four, range twenty-nine, west;  thence west with the subdivisional lines to the southwest corner of section twenty-seven of township forty-four, range twenty-nine, west;  thence north with the subdivisional lines to the northwest corner of section three of township forty-six, range twenty-nine, west;  thence west with the township line between townships forty-six and forty-seven to the western boundary line of the state;  thence south with said boundary line of the state to where the line between townships forty-two and forty-three intersects the same;  thence east with said township line to the middle of the main channel of Grand River;  thence down said river in the middle of the main channel thereof to the place of beginning.