Every year at the end of August nearly 70,000 people descend on Black Rock Desert in Pershing County, Nevada to take part in the celebration of radical self expression known as Burning Man. And for many people it’s synonymous with drug use and burning a giant wooden man in the middle of the desert. But according to the Bureau of Land Management — which has jurisdiction over government land and the Burning Man festival grounds in particular — the number of people cited or arrested is quite low for its size and duration. In 2013 only 6 people out of…