/tags/river-levels river levels en-US Copyright Mon, 07 Jan 2013 09:06:00 GMT /economy/2013-01-07/local-impact-of-low-mississippi-river-levels Drought conditions in the upper Midwest are causing major concerns for companies that ship goods and materials on the Mississippi River.Local carriers are… Mon, 07 Jan 2013 09:06:00 GMT /economy/2013-01-07/local-impact-of-low-mississippi-river-levels Tana Weingartner