[USA] New method identifies meth hot spots / EurekAlert, 15 September 2008
http://www.eurekalert.org/pub_releases/2008-09/osu-nmi090808.php
"A researcher at Oregon State University has used a new method of combining multiple sources of data to identify counties in Oregon with high numbers of methamphetamine-related problems per capita, giving officials a new tool in fighting the illegal drug."