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(2015) Integrated Roadside Vegetation Management (IRVM): Technical Manual, 2015. Iowa State University
(2004) Roadside Vegetation, April 15, 2004. Transportation, Department of
(1992) Integrated Roadside Vegetation Management Technical Manual by the County Roadside Assistance Office, Department of Biology, 1992. Iowa State University
(1992) The Roadside Almanac, Integrated Roadside Vegetation Management, 1992. University of Northern Iowa
(1989) Integrated Roadside Vegetation, Policies for Planting and Management, January 1989. Legislative Services Agency (Legislative Service Bureau)