If you go out there and pick any of that up, MAKE SURE you collect any identifying info available.
Be on the look out for meth making materials too.
Keep a safe distance and call the police if you find any of these things!
I can give you tips on how to have those people taken care of.
This is exactly what we have been combating in Muskegon and Oceana counties through the Two Trackers Forest Clean Up for 13 years.