{"id":"000027784","type":"book","title":"Archaeology of the central Des Moines River Valley : a preliminary summary. - St. Paul, MN","container-title":"Johnson, Elden (Hrsg.): Aspects of Upper Great Lakes anthropology : papers in honor of Lloyd A. Wilford ; S. 90-105 : 3 Ill","author":[{"family":"Gradwohl","given":"David M."}],"issued":{"raw":"1974"}}