Here is the complaint in German v. Dollar General Corp. (D.S.D.):
Here are the materials so far in Flandreau Santee Sioux Tribe v. United States (D.S.D.):
16 US Motion to Dismiss
36 DCT Order
Here are the materials in Stathis v. Marty Indian School Board (D.S.D.):
7 Motion to Dismiss
15 DCT Order
Here is the opinion in Rosebud Sioux Tribe v. United States.
US Opening Brief
Tribe Answer Brief
Lower court materials here.
Here are the materials in Temple v. Langdeau (D.S.D.):
3 Motion for TRO
13 DCT Order