http://medicine.wustl.edu/~mckinney/cahokia/cahokia.html
Cahokia Mounds State Park with a link to archeology at the site
http://www.fieldmuseum.org/research_collections/anthropology/anthro_sites/paul_martin/martin_web/introduc.html
A collection of  Southwestern archeological artifacts at The Field Museum in Chicago
http://www.caa-archeology.org/
Center for American Archeology at Kampsville
Has excavation opportunities for students
http://www100.state.il.us/facts/history.cfm
A chronological history of Illinois
http://www.mwac.nps.gov/where_to_see/illinois/index.html
Where to see archeology in Illinois with a map of the state
http://www.museum.state.il.us/ismsites/dickson/homepage.htm
Web page of the Dickson Mound Archeology Museum
http://www.fmnh.org/education/student_programs.htm
The University of Chicago's Field Museum
Has some archeological education programs
http://www.ncsa.uiuc.edu/Cyberia/RiverWeb/History/Cahokia/miss/
A culture history of  the American Bottoms from the Paleolithic through the  Mississippian periods
http://www.sover.net/~barback/mounds/mounds.html
A web page on the Mound Builders created by two young students and their parents
http://www.uiowa.edu/~osa/nasa/in/illinois.html
Contact information for the state archeologist