these links are good ones to look at when you have some free time
DEA http://www.usdoj.gov/dea/index.htm
The Vaults of Erowid http://www.erowid.org/
Reddy's Forensic Page http://forensicpage.com/
Utah Narcotics Officer Association http://www.unoa.org/
Utah State Crime Lab http://des.utah.gov/forensicservices/index.html
National District Attorneys Association http://www.ndaa.org/
High Times http://hightimes.com/
SWGDRUG http://www.swgdrug.org/
Marijuana Policy Project http://mpp.org/