Chlorophyll a and inorganic suspended solids in backwaters of the upper Mississippi River system backwater lake effects and their associations with selected environmental predictors /Format: [electronic resource] :
Author: Rogala, James T.
Publisher: [LaCrosse, Wis.] : U.S. Dept. of the Interior, U.S. Geological Survey, Upper Midwest Environmental Sciences Center,
Date: 2006. This title can be found in 1 Iowa libraries.
Surface-water-quality assessment of the upper Illinois River basin in Illinois, Indiana, and Wisconsin data on agricultural organic compounds, nutrients, and sediment in water, 1988-90 /Format: [microform] :
Author: Sullivan, Daniel J.
Publisher: Urbana, IL : U.S. Geological Survey ;
Date: 1994. This title can be found in 1 Iowa libraries.
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