DEA.Gov
♦ A DEA RESOURCE GUIDE: “DRUGS OF ABUSE” 2015 Edition (PDF.) An Encyclopedia for Concerned Citizens Everywhere. Of special concern for persons and families living in Salisbury, N.C. and Rowan County where the meth, heroin, and crack epidemic is at high tide and is a major contributor to the area’s significant crime and poverty.
http://www.dea.gov/pr/multimedia-library/publications/drug_of_abuse.pdf#page=50
