I'll let Dr.Benjamin Burger (who is on my advisory committee), explain in some detail:
https://m.youtube.com/watch?v=V013Kqbl9vg
But to sum it up: New regulations have been proposed to make de facto illegal to collect, study, or own any fossil from Federal land. This gives more power to the BLM, and hinders science, the economy, and is all-around a dick move.