prepared by U.S. Environmental Protection Agency, Region X, with technical assistance from Jones & Stokes Associates, Inc. in association with Culp, Wesner and Culp and Gruen Gruen & Associates
USDA Forest Service, Pacific Northwest Region, State of Oregon and Washington ; lead agency USDA Forest Service, Pacific Northwest Region ; responsible official: John E. Lowe
prepared by U.S. Environmental Protection Agency, Region X, with technical assistance from Jones & Stokes Associates, Inc., in association with Culp, Wesner and Culp and Gruen Gruen + Associates