Knowing about the new law allowing landowners to mark their lands as 'No Trespassing' using only purple paint is important for anyone spending time outdoors, including invasive species managers. A recent article in the Chicago Tribune discusses this new law.
You can find the article here:
http://www.chicagotribune.com/news/local/ct-met-purple-paint-law-20111017,0,288687.story?page=1