This image is a derivative work of the following images: File:Blank_US_Map.svg licensed with Cc-by-sa-3.0-migrated, GFDL 2009-11-05T19:44:02Z NuclearVacuum
This image is a derivative work of the following images: File:Blank_US_Map.svg licensed with Cc-by-sa-3.0-migrated, GFDL 2013-03-30T15:24:52Z Wylve 959x593
This image is a derivative work of the following images: File:Blank_US_Map.svg licensed with Cc-by-sa-3.0-migrated, GFDL 2009-11-05T19:44:02Z NuclearVacuum