Did YOU know that it is illegal to be PUBLICLY NUDE at a National Forest facility?  They are very specific though, apparently prancing through the woods naked is still OK.

http://prdp2fs.ess.usda.gov/Internet/FSE_DOCUMENTS/fsbdev3_036472.pdf

It is funny to have so many unenforced (and perhaps unenforceable) rules.  Read more here:

http://prdp2fs.ess.usda.gov/detail/mthood/notices/?cid=FSBDEV3_036636