SDCL § 7-1-34: Hutchinson County boundaries.

Beginning at the southeast corner of township ninety-seven north of range fifty-six west of the fifth principal meridian, thence north and along the range line between ranges fifty-five and fifty-six to the base line; thence west and along said base line to the northwest corner of township one hundred, range sixty-one west; thence south and along the range line between ranges sixty-one and sixty-two west, to the boundary line of the former Yankton-Sioux Indian Reservation; thence along the said boundary line of said reservation southeastward and southwestward to the southern boundary of township ninety-seven; thence east and along the township line between townships ninety-six and ninety-seven to the place of beginning.