Here are those materials in Round Valley Indian Tribe v. United States (Fed. Cl.):
DCT Order Denying Lohman Intervention Motion
The underlying judgment favoring the tribe is here.
Round Valley Indian Tribe v. United States
Round Valley Indian Tribe v. US — Preservation of Tribal Trust Claims over Federal Opposition
Here is that opinion from the Court of Federal Claims: Round Valley v US.
Here are the briefs:
Turtle Talk 