In this chapter:

((1)) ** Federal land** The term “Federal land” means any land managed by a Federal land management agency.

((2)) ** Federal land management agency** The term “Federal land management agency” means—

((A)) the Bureau of Reclamation;

((B)) the National Park Service;

((C)) the Bureau of Land Management;

((D)) the United States Fish and Wildlife Service;

((E)) the Forest Service; and

((F)) the Corps of Engineers.

((3)) ** Road or trail** The term “road or trail” means a road or trail designated by 1 or more of the Secretaries for public use.

((4)) ** Secretaries** The term “Secretaries” means—

((A)) the Secretary of Agriculture, acting through the Chief of the Forest Service;

((B)) the Secretary of the Interior; and

((C)) the Secretary of the Army, acting through the Assistant Secretary of the Army for Civil Works.