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
areas called plateaus
or lower lying plains. Interior plains are in the middle of continents while coastal plains are on the edge of
a continent, where
editing and SVG import.
Harnesses the awesome power of SVG to generate
tiles for seamless patterns.
http://www.kennethcachia.com/plain-pattern
http://nodebox