"Do you think this could have any near-term impact on LBSR?"

Of course, yes!  If Siverbell drill restuls confirm economic grades of mineralization, especially over multiple targets, LBSR shares become a speculators dream, having proven potential, but lacking only a jurisdictional clear path to further work and/or development.  Therefore, the removal of the Ironwood area from National Monument status changes the profile of the company to something more like an "investment", and less like a "speculation." 

So, if and when published, these drill results, I think, will boost the share price dramatically, and a further boost will come if and when Ironwood reverts to regular BLM status.  ...and that's only the beginning. 

AIMHO