C. Etzel Pearcy, some professor from some place, drafted up this concept in the 70s to resituate the States into better social groups and to allow more even representation.

Map: http://i.imgur.com/Uway1.jpg

Descriptions: http://strangemaps.wordpress.com/2006/09/10/5-the-38-state-u... http://www.tjc.com/38states/