If any person shall, except by permission of the Secretary of the Interior, destroy, mutilate, deface, injure, or remove any monument, column, statues, memorial structures, or work of art that shall be erected or placed upon the grounds of the battlefield by lawful authority, or shall destroy or remove any fence, railing, inclosure, or other work for the protection or ornament of said battlefield, or any portion thereof, or shall destroy, cut, hack, bark, break down, or otherwise injure any tree, bush, or shrubbery that may be growing upon said battlefield, or shall cut down or fell or remove any timber, battle relic, tree or trees growing or being upon said battlefield, or hunt within the limits of the battlefield, or shall remove or destroy any breastworks, earthworks, walls, or other defenses or shelter or any part thereof constructed by the armies formerly engaged in the battles on the lands or approaches to the battlefield, any person so offending and found guilty thereof, before any United States magistrate judge or cour