This web-site might be of interest for your daughter.
http://www.finehomesofminneapolis.co...un_Facts.shtml Also may want to look for a book called something like "How to Talk Minnesotan".
http://www.amazon.com/How-Talk-Minne.../dp/0140092846
If you have seen the really funny movie in parts
Fargo, you will be surprised to find very few Minnesotans actually talk like the people in that movie but some do.