South Dakota Codified Laws 7-1-14. Clay County boundaries
Beginning at the northeast corner of township ninety–five north of range fifty–one west of the fifth principal meridian, thence west and along the township line between townships ninety–five and ninety–six north to the northwest corner of township ninety–five north of range fifty–three west; thence south and along the range line between ranges fifty–three and fifty–four west, as extended, to the boundary line between the states of South Dakota and Nebraska; thence southeasterly and along said state line to the range line between ranges fifty and fifty–one west, as extended; thence north and along said range line to the place of beginning.
Source: SL 1862, ch 13, § 1; SL 1862-3, ch 39; SL 1870-1, ch 10, § 2; SL 1895, ch 113; SL 1899, ch 62; SL 1901, ch 85; SL 1901, ch 86; SDC 1939, § 12.0115.