The Coos, Lower Umpqua, and Siuslaw Restoration Amendments Act. : hearing before the Committee on Indian Affairs, United States Senate, One Hundred Eighth Congress, second session, on S. 868, to amend the Coos, Lower Umpqua, and Siuslaw Restoration Act to provide for the cultural restoration and economic self-sufficiency of the Confederated Tribes of the Coos, Lower Umpqua, and Siuslaw Indians of Oregon, March 30, 2004, Washington, DC.