S.D. Codified Laws § 7-1-63
Beginning at the northeast corner of township one hundred north of range fifty-two, west of the fifth principal meridian, thence west and along the base line to the northwest corner of township one hundred north of range fifty-five west; thence south and along the range line between ranges fifty-five and fifty-six to the southwest corner of township ninety-seven north of range fifty-five west; thence east and along the township line between townships ninety-six and ninety-seven north, to the southeast corner of township ninety-seven north of range fifty-four west; thence south and along the range line between ranges fifty-three and fifty-four, to the southwest corner of township ninety-six north of range fifty-three west; thence east and along the township line between townships ninety-five and ninety-six north to the southeast corner of township ninety-six north of range fifty-two west; thence north and along the range line between ranges fifty-one and fifty-two west, to the place of beginning.
SDCL 7-1-63