Figure 4

Maps of opioid poisoning (OP) patient counts and rates per 100,000 population at zip code level, 2016. (Generated by ArcGIS 10.5, URL: http://www.esri.com/software/arcgis/arcgis-for-desktop).

Maps of opioid poisoning (OP) patient counts and rates per 100,000 population at zip code level, 2016. (Generated by ArcGIS 10.5, URL: http://www.esri.com/software/arcgis/arcgis-for-desktop).