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Figure 1.6 |
Daily water surface elevation from Havana Gage for La Grange Pool, Illinois River, during 2004 and mean elevation since 1940. The U.S. Army Corps of Engineers discharge data were obtained in accordance with Upper Midwest Environmental Sciences Center established procedures (Wlosinski et al.1995). |
Content manager: Jennie Sauer
September 21, 2005
U.S. Department of the Interior |
U.S. Geological Survey
URL: http://www.umesc.usgs.gov/reports_publications/ltrmp/fish/2004/figures/hydrographs/16lghydro.html
Page Contact Information: Contacting the Upper Midwest Environmental Sciences Center
Page Last Modified:
October 2, 2007
