The Wilderness Society Sierra Club Pacific Coast Federation of Fishermen's Associations, Inc. California Trout, Sierra Pacific Industries, Intervenor-Appellant v. Robert Tyrrel, Forest Supervisor of the United States Forest Service for the Shasta-Trinity National Forests Paul Barker, Regional Forester of the United States Forest Service for Region Five, the Wilderness Society Sierra Club, a California Non-Profit Corporation Pacific Coast Federation of Fishermen's Associations, Inc. California Trout v. Robert Tyrrel, Forest Supervisor of the United States Forest Service for the Shasta-Trinity National Forests Paul Barker, Regional Forester of the United States Forest Service for Region Five

918 F.2d 813 21 Envtl. L. Rep. 20 ,157 The WILDERNESS SOCIETY; Sierra Club; Pacific Coast Federation of Fishermen's Associations, Inc.; California Trout, Plaintiffs-Appellees, Sierra Pacific Industries, Intervenor-Appellant, v. Robert TYRREL, Forest Supervisor of the United States Forest Service for the Shasta-Trinity National Forests; Paul Barker, Regional Forester of the United States Forest Service for Region Five, Defendants. The WILDERNESS SOCIETY; Sierra Club, a California Non-Profit Corporation; Pacific Coast Federation of Fishermen's Associations, Inc.; California Trout, Plaintiffs-Appellees, v. Robert TYRREL, Forest Supervisor of the United States Forest Service for the Shasta-Trinity National Forests; Paul Barker, Regional Forester of the United States Forest Service for Region Five, Defendants-Appellants. Nos. 90-15221, 90-15251. United States Court of Appeals, Ninth Circuit. Argued and Submitted Sept. 11, 1990. Decided Nov. 6, 1990. Elizabeth Ann Peterson, U.S. Dept. of Justice, Washington, D.C., for defendants-appellants. Stephan C. Volker, Sierra Club Legal Defense Fund, San Francisco, Cal., for plaintiffs-appellees. David H. Dun, Dun & Martinek, Eureka, Cal.,…