South Dakota Codified Laws 7-1-50. Minnehaha County boundaries
Beginning at a point where the base line intersects the boundary line between the states of South Dakota and Minnesota, being the southwest corner of the said state of Minnesota, thence north and along said state line to the north line of township one hundred four north, at a point where the first standard parallel north intersects said state line; thence west and along said first standard parallel to the seventh guide meridian west of the fifth principal meridian between ranges fifty–two and fifty–three west; thence south along said seventh guide meridian to the north line of township one hundred; thence east and along said township line to the place of beginning.
Source: SL 1862, ch 16; SL 1870-1, ch 10; SL 1872-3, ch 16, § 1; SDC 1939, § 12.0151.