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(1991) Engineering Study Iowa Highway Resarch Board Project HR-223 Maintaining Granular Surfaced Roads, February 1981. Transportation, Department of
(1991) Executive Order Number Forty Two, July 1991. Governor's Office
(1991) Iowa Civil Rights Commission Annual Report, 1991. Civil Rights Commission
(1991) Maxine Faye Boomgarden and Iowa Civil Rights Commission vs. Hardin County Veterans' Commission Board and Hardin County Board of Supervisors, 1991. Civil Rights Commission
(1991) State of Iowa Transportation Map, 1991. Transportation, Department of
(1991) Load Ratings For Secondary Bridges Final Report Highway Research Advisory Board Project HR-239, May 1991. Transportation, Department of