South Dakota Codified Laws 7-1-23. Edmunds County boundaries
Beginning at the northeast corner of township one hundred twenty–four north of range sixty–six west of the fifth principal meridian, thence west and along the sixth standard parallel north to the northwest corner of township one hundred twenty–four north of range seventy–three west; thence south and along the tenth guide meridian west, to the southwest corner of township one hundred twenty–one north of range seventy–three west; thence east and along the fifth standard parallel north to the southeast corner of township one hundred twenty–one north of range sixty–six west; thence north and along the range line between ranges sixty–five and sixty–six west, to the place of beginning.
Source: SL 1872-3, ch 16; SL 1885 (SS), ch 14, § 2; SDC 1939, § 12.0124.