This is a federally protected land, there are no special rules for art unless it was before when such laws were made. FWIW, I find this piece of trash to be a

This is a federally protected land, there are no special rules for art unless it was before when such laws were made. FWIW, I find this piece of trash to be a showoff moment for some wannabe 'artist'. Mimicking a movie prop to me sounds like a low-effort, untalented mindset.