South Dakota Codified Laws
Chapter 19 - River Basin Natural Resource Districts
Section 46A-19-9 - Little Missouri River, Cannonball River, Moreau River, and Grand River district.

46A-19-9. Little Missouri River, Cannonball River, Moreau River, and Grand River district.
The Little Missouri River, Cannonball River, Moreau River, and Grand River Basin Natural Resource District is hereby established. The district shall include the portions of Butte, Corson, Dewey, Harding, Meade, Perkins, and Ziebach counties located in the Little Missouri River hydrologic basin, the Cannonball River hydrologic basin, the Moreau River hydrologic basin, and the Grand River hydrologic basin.

Source: SL 2015, ch 227, ยง9.