For purposes of this chapter, “Federal land management agency” includes—

((1)) the Forest Service of the Department of Agriculture;

((2)) the Bureau of Land Management of the Department of the Interior;

((3)) the National Park Service of the Department of the Interior;

((4)) the Fish and Wildlife Service of the Department of the Interior;

((5)) the Bureau of Reclamation of the Department of the Interior; and

((6)) the Army Corps of Engineers.