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(1981) Final Report for Research Project HR-181, Macadam Base Shoulders, September 1981. Transportation, Department of
(1981) Executive Order Number Forty One, July 1981. Governor's Office
(1981) Executive Order Number Forty, December 1981. Governor's Office
(1981) Hometown architecture : changes in Central Iowa towns and farms,1981. Cultural Affairs, Department of
(1981) Iowa Civil Rights Commission Annual Report, 1981. Civil Rights Commission
(1981) State of Iowa Transportation Map, 1981. Transportation, Department of
(1981) Three faces of Midwestern isolationism,1981. University of Iowa
