The USFS faces this kind of thing every day. VERY frustrating. But the most successful rangers (one of whom was an inspiration to Brant) just keep putting the signs back up and wearing down the impatience of the vandals.
BTW, excellent idea, Hulk.
Heb Dduw, heb ddim; Duw a digon
I'm that gun-totin', farm-raised, evangelical, pro-environment, OHV ridin'/drivin', Southern civil rights pro-labor Liberal yo' momma told you couldn't possibly exist.