Figure 13

Comprehensive key state subset spatial distribution. (The map was generated by ArcGIS 10.8 http://www.esri.com/sofware/arcgis and does not require any permission from anywhere).
Comprehensive key state subset spatial distribution. (The map was generated by ArcGIS 10.8 http://www.esri.com/sofware/arcgis and does not require any permission from anywhere).