Tension has existed for years between party animals and families with children at popular off-road playgrounds such as Imperial Sand Dunes -- popularly known as Glamis -- in Imperial County. The BLM banned public nudity there years ago; now the prohibition is extended to "all developed sites and areas and all ORV open areas" in the agency's Desert District, including Riverside, San Bernardino, Imperial and Los Angeles counties.
http://www.pe.com/localnews/stories/PE_News_Local_D_rules06.1f52cca.html