Here are the en banc stage materials in United States v. Abouselman:
Panel materials here.
Here are the materials in Mendoza v. First Santa Fe Insurance Services Inc. (D.N.M.):
Related case here.
Here is the complaint in Diné Citizens Against Ruining Our Environment v. Bureau of Land Management (D.N.M.):
Here are the materials in Western Refining Southwest Inc. v. Dept. of the Interior (D.N.M.):