Lauxier--I don't know about drawing "nearby park rangers," since in my experience they are mighty scarce on the ground in the backcountry. In fact, the Park presently has what I consider a singularly misguided proposal to start charging backcountry camping fees with the questionably justification being it will fund two rangers to cover the backcountry. Anyone who knows the backcountry intimately will instantly realize that two rangers cannot come anywhere close to patrolling the whole area, checking designated campsites, or the like.
I suspect most people who do much fishing away from the main travel corridors will have an experience similar to mine; I've been checked exactly twice in the last quarter century (and both times it was on lower Deep Creek, just inside the Park, by a N. C. Wildlife guy--they have authority in the Park).
Jim Casada