http://www.anthro.mankato.msus.edu/archaeology/index.shtml
Archeology web page from Minnesota State University
Though somewhat technically written there are good definitions and explanations of  archeological techniques
http://www.fromsitetostory.org/sources/papers/mnarch48/48inv-ib.asp
An electronic journal article on archeology of Minneapolis's waterfront
http://www.mwac.nps.gov/where_to_see/minnesota/index.html
Where to see archeology in Minnesota with a map of  the state
http://www.imnarch.org/Education.htm
Education web page for the Minnesota Institute for Archeology
http://www.fromsitetostory.org/links.asp
"From site to story" from the Minnesota Institute for Archeology
http://www.mnhs.org/places/sites/hfs/kids.html
Archeological education tours for kids at Fort Snelling in the Twin Cities
http://www1.umn.edu/marp/past/past.html
The Minnesota Historical Society's Public Archeology on-line web page
http://www.mnhs.org/places/nationalregister/shipwrecks/index.html
Minnesota Historical Society's Historic shipwreck page
Though there is not much archeology, there is lots of history for the teacher to use
http://www.geocities.com/Athens/Oracle/2596/index.html
A web page on archeology in Minnesota
Somewhat technically written, but with good background information for the teacher
http://www.uiowa.edu/~osa/nasa/in/minnesota.html
Contact information for the state archeologist