(1997) Monitor Administration 1997, Technical Training & Certification Program, 1997. Transportation, Department of
(1996) Monitor Administration 1996, Technical Training & Certification Program. Transportation, Department of
(1978) General Aggregate Source Information, January 1978. Transportation, Department of
(1962) A Sufficiency Rating System for Secondary Roads by Mark Morris, 1962. Transportation, Department of
(2000) Clear Vision, Vol. 1, no. 2, Winter 2000. Iowa State University
(2008) Dowel Bar Retrofitting in Buena Vista County, Iowa, February 2008. Iowa State University
(2007) Portland Cement Concrete Reference Manual 2007-2008, Technical Training and Certification Program, 2007. Transportation, Department of
(2007) Level I Portland Cement Concrete 2007-2008, Instruction Manual; Technical Training and Certification Program, 2007. Transportation, Department of
(1968) Bridge Floor Repairs by Iowa State Highway Commission, May 1968. Transportation, Department of
(2009) Hot Mix Asphalt Reference Manual 2007-2008, Technical Training and Certification Program, 2007-2008. Transportation, Department of
(2007) Hot Mix Asphalt Reference Manual 2008-2009, Technical Training and Certification Program, 2008-2009. Transportation, Department of
(1994) Level I & II Aggregate Reference Manual 1994, Technical Training and Certification Program, November 1994. Transportation, Department of
(1993) Instruction Text for Aggregate Inspectors and Technicians Training, Office of Materials, Highway Division, January 1993. Transportation, Department of
(1983) Guidelines for Selecting Projects for Maintenance Contract Work prepared by Office of Maintenance, Highway Division, June 1983. Transportation, Department of
(2007) Level II Portland Cement Concrete 2007-2008, Instruction Manual; Technical Training and Certification Program, 2007. Transportation, Department of
(1970) Septic Tank Care, 1970. Human Services, Department of (Health and Human Services, Department of)
(1992) Vegetation Control for Safety, A Guide for Street and Highway Maintenance Personnel, 1992. Transportation, Department of
(1992) The Roadside Almanac, Integrated Roadside Vegetation Management, 1992. University of Northern Iowa
(1919) Field Manual, Instructions for making Bridge and Culvert Surveys, 1919. Transportation, Department of
(1919) Field Manual, Federal and State Aid Road Work, 1919. Transportation, Department of