[HipShot]

I wonder how that map would compare to a population density map.

BTW, for those freepers in CT, heads up:

http://www.cbsnews.com/stories/2004/07/13/national/main629314.shtml

[Hegemony Cricket]

I found this one map - it's from 1990, and it's .pdf, which I don't know how to post here, but here's the link:

http://www.cdc.gov/od/oppe/lap/lapus.pdf

I've to check out for a while - will try to rejoin later this evening.