Brief for the National Wildlife Federation; the Nature Conservancy; Delaware Nature Society; Environmental League of Massachusetts; Indiana Wildlife Federation; Louisiana Wildlife Federation; Montana Wildlife Federation; Natural Resources Council of Maine; North Carolina Wildlife Federation; North Dakota Wildlife Federation; Citizens for Pennsylvania's Future; South Carolina Wildlife Federation; South Dakota Wildlife Federation; Tennessee Wildlife Federation; Vermont Natural Resources Council; West Virginia Rivers Coalition; Wisconsin Wildlife Federation; Montana Trout Unlimited; Council Trout Unlimited; River Management Society; Utah Stream Access Coalition and Western Resource Advocatesin Support of Respondent
Publisher: Washington, D.C.: U.S. G.P.O.,