http://www.mwac.nps.gov/where_to_see/nebraska/index.html
Where to see archeology in Nebraska with a map of  the state
http://www.nebraskahistory.org/histpres/archsurv.htm
Information about the Archeological Survey of Nebraska
http://www.mwac.nps.gov/
The National Park Service's Midwest Archeological Center in Lincoln
http://www.nebraskahistory.org/archeo/
Nebraska State Historical Society Archeology Division
http://www.nebraskahistory.org/archeo/inform.htm
Information on archeological research from the state historical society
http://www.nebraskahistory.org/oversite/staff/archeo2.htm
http://www.uiowa.edu/~osa/nasa/in/nebraska.html
Contact information for the state archeology office, or other archeologists in the state