Here are the materials in Stillaguamish Tribe of Indians v. Nelson (W.D. Wash.):
323 Ashley Motion for Summary J
339 Stillaguamish Response to Ashley Motion
342 Stillaguamish Response to Chapman and Nelson Motions
DCT Order on Defendants Motion for Summary J
Complaint and earlier materials here.
Turtle Talk 
Please visit the court’s web site to learn the latest. After five years of investigation and three years of litigation, on April 17, 2013, Judge Richard A Jones dismissed all claims against Defendant Michele Nelson and substantially limited the claims that the plaintiff Stillaguamish Tribe of Indians may proceed to trial on against Defendants David Nelson and Nathan Chapman