http://www.mwac.nps.gov/where_to_see/north_dakota/index.html
Where to see archeology in North Dakota with a map of  the state
http://www.state.nd.us/hist/mus.htm
Archeological collections available to view at the North Dakota History Center
http://www.state.nd.us/hist/sitelist.htm#crowley
A listing of state historic sites
http://www.mwac.nps.gov/fous/
Archeology at the Fort Union Trading Post
http://www.state.nd.us/hist/ahp.htm
Archeology and Historic Preservation Division of the Historical Society of North Dakota Has phone numbers and address to contact archeologists
http://www.uiowa.edu/~osa/nasa/in/northdakota.html
Contact information for the state archeologist