I always heard it called "boondocking". This may be of some help: http://www.boondocking.org/
In Arkansas, any land with a fence adequate for livestock is considered "posted". I was under the impression this was common among other states. And as a landowner I heartily approve. (Not that I or most people I know would likely prosecute anyone who was otherwise minding their manners.)
2002 Suzuki DL1000 V-Strom - blue
2001 Honda Reflex NSS250 scooter - silver
Real men wear boots. God is good.
"Liberalism is a philosophy of consolation for Western Civilization as it commits suicide." - Dr. Jerry Pournelle http://jerrypournelle.com