Dialect Maps of the United States

North Carolina State University grad student Joshua Katz has gone beyond the classic "do you say soda or pop" to map the dialects of American English. Katz took the data collected by Burt Vaux from a survey of American speech patterns and projected the results onto a map of the nation: More | The Interactive Map
See if you agree with the results:

View more over at Katz' project page over at North Carolina State University: Herek.