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.