Only once have I ever mentioned a tree to the park manager and within 30 minutes it was down...
As I passed the tree it brushed up firmly against my Rig,, (I was on the paved road) That hand never happened before in the many times I'd pulled in.. Well I parked on my site and went to the store to report site, Reporting tree to park manager enroute.
Unbeknownst to me... The tree was in the act of falling down.. It crashed while I was in the store. Had I been a minute or two later arriving at it the road would have been blocked by the tree.