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 · Ninth Circuit Court of Appeals · 1990 | Caselegis