00541nam a2200145Ia 450000100070000000500170000707400230002408600150004724500700006226000590013250000460019165000410023771000730027885600440035130054120160527183835.0  a0337-B-28 (online)0 aD 103.137:00aUpper Mississippi River-Illinois Waterway Navigation System Study  aRock Island, ILbU.S. Army Corps of Engineersc[1993]-  aTitle from title screen (viewed 10/16/06) 0aNavigationzMississippi River2Local2 aUnited StatesbArmybCorps of EngineersbRock Island District2Local7 uhttp://purl.access.gpo.gov/GPO/LPS74965