Just ‘cuz it seems the SCOTUS webpage is overwhelmed:
Here is the unpublished decision in McCoy v. Salish Kootenai College.
Here are the materials in Walker v. Windy Boy (D. Mont.):
10 Motion to Dismiss
32 DCT Order
Here are the materials in Johnson v. Oneida Nation Enterprise LLC (N.D. N.Y.):
6 Magistrate Order
7 DCT Order
Here are the materials in Delebreau v. Danforth:
Lower court materials here.
Here are the materials in Jim v. Shiprock Associated Schools (D. N.M.):
6 Motion to Dismiss
11 Response and Motion to Bifurcate
18 DCT Order